NVD Description

Note: Versions mentioned in the description apply only to the upstream db5.3 package and not the db5.3 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

SQLite3 from 3.6.0 to and including 3.27.2 is vulnerable to heap out-of-bound read in the rtreenode() function when handling invalid rtree tables.

Remediation

There is no fixed version for Debian:11 db5.3.

References

• ADVISORY
• CVE Details
• Fedora Security Update
• Fedora Security Update
• MISC
• MISC
• MISC
• MISC
• N/A
• Netapp Security Advisory
• OpenSuse Security Announcement
• Oracle Security Advisory
• Ubuntu CVE Tracker
• Ubuntu Security Advisory
• Ubuntu Security Advisory
• Ubuntu Security Advisory
• Ubuntu Security Advisory
• cve@checkpoint.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may bypass stack guard protection. The component is: nptl. The attack vector is: Exploit stack buffer overflow vulnerability and use this bypass vulnerability to bypass stack guard. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat."

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• MISC
• MISC
• UBUNTU

NVD Description

Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

Tar 1.15.1 does not properly warn the user when extracting setuid or setgid files, which may allow local users or remote attackers to gain privileges.

Remediation

There is no fixed version for Debian:11 tar.

References

• ADVISORY
• HP Security Bulletin
• MLIST

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file. The impact is: In worst case attacker may evaluate privileges. The component is: libld. The attack vector is: Attacker sends 2 ELF files to victim and asks to run ldd on it. ldd execute code. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat."

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• CONFIRM
• MISC
• Security Focus
• UBUNTU

NVD Description

Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in to verify certificates.

Remediation

There is no fixed version for Debian:11 perl.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.

Remediation

There is no fixed version for Debian:11 perl.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream bash package and not the bash package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

A flaw was found in the bash package, where a heap-buffer overflow can occur in valid parameter_transform. This issue may lead to memory problems.

Remediation

There is no fixed version for Debian:11 bash.

References

• ADVISORY
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream e2fsprogs package and not the e2fsprogs package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

An out-of-bounds read/write vulnerability was found in e2fsprogs 1.46.5. This issue leads to a segmentation fault and possibly arbitrary code execution via a specially crafted filesystem.

Remediation

There is no fixed version for Debian:11 e2fsprogs.

References

• ADVISORY
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream ncurses package and not the ncurses package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.

Remediation

There is no fixed version for Debian:11 ncurses.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre3 package and not the pcre3 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 4) or possibly have unspecified other impact via a crafted file.

Remediation

There is no fixed version for Debian:11 pcre3.

References

• ADVISORY
• CVE Details
• Gentoo Security Advisory
• MISC
• RHSA Security Advisory
• Security Focus
• Ubuntu CVE Tracker

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre3 package and not the pcre3 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 268) or possibly have unspecified other impact via a crafted file.

Remediation

There is no fixed version for Debian:11 pcre3.

References

• ADVISORY
• CVE Details
• Gentoo Security Advisory
• MISC
• RHSA Security Advisory
• Security Focus
• Ubuntu CVE Tracker

NVD Description

Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

CPAN 2.28 allows Signature Verification Bypass.

Remediation

There is no fixed version for Debian:11 perl.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

shadow 4.8, in certain circumstances affecting at least Gentoo, Arch Linux, and Void Linux, allows local users to obtain root access because setuid programs are misconfigured. Specifically, this affects shadow 4.8 when compiled using --with-libpam but without explicitly passing --disable-account-tools-setuid, and without a PAM configuration suitable for use with setuid account management tools. This combination leads to account management tools (groupadd, groupdel, groupmod, useradd, userdel, usermod) that can easily be used by unprivileged local users to escalate privileges to root in multiple ways. This issue became much more relevant in approximately December 2019 when an unrelated bug was fixed (i.e., the chmod calls to suidusbins were fixed in the upstream Makefile which is now included in the release version 4.8).

Remediation

There is no fixed version for Debian:11 shadow.

References

• ADVISORY
• GENTOO
• GitHub Commit
• GitHub PR
• GitHub PR
• MISC
• MISC

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\1\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern.

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• CONFIRM
• MISC
• Ubuntu CVE Tracker

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\1\1|t1|\\2537)+' in grep.

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• CONFIRM
• MISC
• MISC
• Netapp Security Advisory
• Security Focus
• Ubuntu CVE Tracker

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5 package and not the krb5 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16. There is a variable "dbentry->n_key_data" in kadmin/dbutil/dump.c that can store 16-bit data but unknowingly the developer has assigned a "u4" variable to it, which is for 32-bit data. An attacker can use this vulnerability to affect other artifacts of the database as we know that a Kerberos database dump file contains trusted data.

Remediation

There is no fixed version for Debian:11 krb5.

References

• ADVISORY
• CVE Details
• GitHub Additional Information
• MLIST
• Ubuntu CVE Tracker

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgcrypt20 package and not the libgcrypt20 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.

Remediation

There is no fixed version for Debian:11 libgcrypt20.

References

• ADVISORY
• FEDORA
• FEDORA
• MISC
• MISC
• MISC
• MISC
• MISC
• MLIST
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgcrypt20 package and not the libgcrypt20 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

cipher/elgamal.c in Libgcrypt through 1.8.2, when used to encrypt messages directly, improperly encodes plaintexts, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for Libgcrypt's ElGamal implementation.

Remediation

There is no fixed version for Debian:11 libgcrypt20.

References

• ADVISORY
• MISC
• MISC
• MISC
• MISC

NVD Description

Note: Versions mentioned in the description apply only to the upstream libzstd package and not the libzstd package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A vulnerability was found in zstd v1.4.10, where an attacker can supply empty string as an argument to the command line tool to cause buffer overrun.

Remediation

There is no fixed version for Debian:11 libzstd.

References

• ADVISORY
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre2 package and not the pcre2 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative input.

Remediation

There is no fixed version for Debian:11 pcre2.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre3 package and not the pcre3 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.

Remediation

There is no fixed version for Debian:11 pcre3.

References

• ADVISORY
• ADVISORY
• CONFIRM
• CONFIRM
• FULLDISC
• FULLDISC
• MISC
• MISC
• MLIST

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre3 package and not the pcre3 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion (uncontrolled recursion) when processing a crafted regular expression.

Remediation

There is no fixed version for Debian:11 pcre3.

References

• ADVISORY
• CVE Details
• MLIST
• OSS security Advisory
• Security Focus
• Ubuntu CVE Tracker
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

_is_safe in the File::Temp module for Perl does not properly handle symlinks.

Remediation

There is no fixed version for Debian:11 perl.

References

• ADVISORY
• GitHub Issue
• MISC
• Oss-Sec Mailing List
• OSS security Advisory
• OSS security Advisory

NVD Description

Note: Versions mentioned in the description apply only to the upstream coreutils package and not the coreutils package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Remediation

There is no fixed version for Debian:11 coreutils.

References

• ADVISORY
• MLIST
• OSS security Advisory
• OSS security Advisory
• Ubuntu CVE Tracker

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5 package and not the krb5 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_data array count.

Remediation

There is no fixed version for Debian:11 krb5.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

initscripts in rPath Linux 1 sets insecure permissions for the /var/log/btmp file, which allows local users to obtain sensitive information regarding authentication attempts. NOTE: because sshd detects the insecure permissions and does not log certain events, this also prevents sshd from logging failed authentication attempts by remote attackers.

Remediation

There is no fixed version for Debian:11 shadow.

References

• ADVISORY
• BUGTRAQ
• BUGTRAQ
• CONFIRM
• Secunia Advisory
• Security Focus
• VUPEN

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.

Remediation

There is no fixed version for Debian:11 systemd.

References

• ADVISORY
• CONFIRM
• FEDORA
• GENTOO
• MISC
• MLIST
• MLIST
• MLIST

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A flaw was found in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the nss_gethostbyname2_r and nss_getcanonname_r hooks without implementing the nss*_gethostbyname3_r hook. The resolved name should return a large number of IPv6 and IPv4, and the call to the getaddrinfo function should have the AF_INET6 address family with AI_CANONNAME, AI_ALL and AI_V4MAPPED as flags.

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• secalert@redhat.com
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A flaw was found in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• secalert@redhat.com
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre3 package and not the pcre3 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used.

Remediation

There is no fixed version for Debian:11 pcre3.

References

• ADVISORY
• CONFIRM
• CVE Details
• MISC
• OSS security Advisory
• OSS security Advisory
• OSS security Advisory
• OSS security Advisory
• Seclists Full Disclosure
• Security Focus

NVD Description

Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.

Remediation

There is no fixed version for Debian:11 tar.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream util-linux package and not the util-linux package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an "INPUTRC" environment variable to get a path to the library config file. When the library cannot parse the specified file, it prints an error message containing data from the file. This flaw allows an unprivileged user to read root-owned files, potentially leading to privilege escalation. This flaw affects util-linux versions prior to 2.37.4.

Remediation

There is no fixed version for Debian:11 util-linux.

References

• ADVISORY
• secalert@redhat.com
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

The NIST SP 800-90A default statement of the Dual Elliptic Curve Deterministic Random Bit Generation (Dual_EC_DRBG) algorithm contains point Q constants with a possible relationship to certain "skeleton key" values, which might allow context-dependent attackers to defeat cryptographic protection mechanisms by leveraging knowledge of those values. NOTE: this is a preliminary CVE for Dual_EC_DRBG; future research may provide additional details about point Q and associated attacks, and could potentially lead to a RECAST or REJECT of this CVE.

Remediation

There is no fixed version for Debian:11 openssl.

References

• ADVISORY
• http://arstechnica.com/security/2013/09/stop-using-nsa-influence-code-in-our-product-rsa-tells-customers/
• http://blog.cryptographyengineering.com/2013/09/rsa-warns-developers-against-its-own.html
• http://blog.cryptographyengineering.com/2013/09/the-many-flaws-of-dualecdrbg.html
• http://rump2007.cr.yp.to/15-shumow.pdf
• http://stream.wsj.com/story/latest-headlines/SS-2-63399/SS-2-332655/
• https://www.schneier.com/blog/archives/2007/11/the_strange_sto.html
• http://threatpost.com/in-wake-of-latest-crypto-revelations-everything-is-suspect
• Security Focus

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may bypass ASLR using cache of thread stack and heap. The component is: glibc. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat."

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• CONFIRM
• CONFIRM
• MISC
• Security Focus
• UBUNTU

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may guess the heap addresses of pthread_created thread. The component is: glibc. NOTE: the vendor's position is "ASLR bypass itself is not a vulnerability."

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• CONFIRM
• CONFIRM
• MISC
• UBUNTU

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

Issue summary: Checking excessively long DH keys or parameters may be very slow.

Impact summary: Applications that use the functions DH_check(), DH_check_ex() or EVP_PKEY_param_check() to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been obtained from an untrusted source this may lead to a Denial of Service.

The function DH_check() performs various checks on DH parameters. After fixing CVE-2023-3446 it was discovered that a large q parameter value can also trigger an overly long computation during some of these checks. A correct q value, if present, cannot be larger than the modulus p parameter, thus it is unnecessary to perform these checks if q is larger than p.

An application that calls DH_check() and supplies a key or parameters obtained from an untrusted source could be vulnerable to a Denial of Service attack.

The function DH_check() is itself called by a number of other OpenSSL functions. An application calling any of those other functions may similarly be affected. The other functions affected by this are DH_check_ex() and EVP_PKEY_param_check().

Also vulnerable are the OpenSSL dhparam and pkeyparam command line applications when using the "-check" option.

The OpenSSL SSL/TLS implementation is not affected by this issue.

The OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue.

Remediation

There is no fixed version for Debian:11 openssl.

References

• ADVISORY
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

Issue summary: Checking excessively long DH keys or parameters may be very slow.

Impact summary: Applications that use the functions DH_check(), DH_check_ex() or EVP_PKEY_param_check() to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been obtained from an untrusted source this may lead to a Denial of Service.

The function DH_check() performs various checks on DH parameters. One of those checks confirms that the modulus ('p' parameter) is not too large. Trying to use a very large modulus is slow and OpenSSL will not normally use a modulus which is over 10,000 bits in length.

However the DH_check() function checks numerous aspects of the key or parameters that have been supplied. Some of those checks use the supplied modulus value even if it has already been found to be too large.

An application that calls DH_check() and supplies a key or parameters obtained from an untrusted source could be vulernable to a Denial of Service attack.

The function DH_check() is itself called by a number of other OpenSSL functions. An application calling any of those other functions may similarly be affected. The other functions affected by this are DH_check_ex() and EVP_PKEY_param_check().

Also vulnerable are the OpenSSL dhparam and pkeyparam command line applications when using the '-check' option.

The OpenSSL SSL/TLS implementation is not affected by this issue. The OpenSSL 3.0 and 3.1 FIPS providers are not affected by this issue.

Remediation

There is no fixed version for Debian:11 openssl.

References

• ADVISORY
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."

Remediation

There is no fixed version for Debian:11 systemd.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** An issue was discovered in systemd 253. An attacker can truncate a sealed log file and then resume log sealing such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."

Remediation

There is no fixed version for Debian:11 systemd.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** DISPUTED ** An issue was discovered in systemd 253. An attacker can modify the contents of past events in a sealed log file and then adjust the file such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."

Remediation

There is no fixed version for Debian:11 systemd.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

OpenSSL 0.9.8i on the Gaisler Research LEON3 SoC on the Xilinx Virtex-II Pro FPGA uses a Fixed Width Exponentiation (FWE) algorithm for certain signature calculations, and does not verify the signature before providing it to a caller, which makes it easier for physically proximate attackers to determine the private key via a modified supply voltage for the microprocessor, related to a "fault-based attack."

Remediation

There is no fixed version for Debian:11 openssl.

References

• ADVISORY
• http://rdist.root.org/2010/03/08/attacking-rsa-exponentiation-with-fault-injection/
• http://www.eecs.umich.edu/%7Evaleria/research/publications/DATE10RSA.pdf
• http://www.networkworld.com/news/2010/030410-rsa-security-attack.html
• http://www.theregister.co.uk/2010/03/04/severe_openssl_vulnerability/
• http://xforce.iss.net/xforce/xfdb/56750
• X-force Vulnerability Report

NVD Description

Note: Versions mentioned in the description apply only to the upstream gcc-10 package and not the gcc-10 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your application without this being detected. This stack-protector failure only applies to C99-style dynamically-sized local variables or those created using alloca(). The stack-protector operates as intended for statically-sized local variables.

The default behavior when the stack-protector detects an overflow is to terminate your application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow without triggering the stack-protector might be able to change program flow control to cause an uncontrolled loss of availability or to go further and affect confidentiality or integrity.

Remediation

There is no fixed version for Debian:11 gcc-10.

References

• ADVISORY
• arm-security@arm.com
• arm-security@arm.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream gcc-9 package and not the gcc-9 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your application without this being detected. This stack-protector failure only applies to C99-style dynamically-sized local variables or those created using alloca(). The stack-protector operates as intended for statically-sized local variables.

The default behavior when the stack-protector detects an overflow is to terminate your application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow without triggering the stack-protector might be able to change program flow control to cause an uncontrolled loss of availability or to go further and affect confidentiality or integrity.

Remediation

There is no fixed version for Debian:11 gcc-9.

References

• ADVISORY
• arm-security@arm.com
• arm-security@arm.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream coreutils package and not the coreutils package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition.

Remediation

There is no fixed version for Debian:11 coreutils.

References

• CVE Details
• Debian Security Tracker
• http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees

Remediation

There is no fixed version for Debian:11 shadow.

References

• ADVISORY
• MLIST
• RedHat Bugzilla Bug
• RedHat CVE Database
• Ubuntu CVE Tracker
• secalert@redhat.com
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

systemd, when updating file permissions, allows local users to change the permissions and SELinux security contexts for arbitrary files via a symlink attack on unspecified files.

Remediation

There is no fixed version for Debian:11 systemd.

References

• ADVISORY
• Debian Bug Report
• OSS security Advisory
• RedHat Bugzilla Bug

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

The glob implementation in the GNU C Library (aka glibc or libc6) allows remote authenticated users to cause a denial of service (CPU and memory consumption) via crafted glob expressions that do not match any pathnames, as demonstrated by glob expressions in STAT commands to an FTP daemon, a different vulnerability than CVE-2010-2632.

Remediation

There is no fixed version for Debian:11 glibc.

References

• ADVISORY
• http://cxib.net/stuff/glob-0day.c
• http://securityreason.com/achievement_securityalert/89
• http://securityreason.com/exploitalert/9223
• MISC
• MISC

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnutls28 package and not the gnutls28 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts data by using CBC mode with chained initialization vectors, which allows man-in-the-middle attackers to obtain plaintext HTTP headers via a blockwise chosen-boundary attack (BCBA) on an HTTPS session, in conjunction with JavaScript code that uses (1) the HTML5 WebSocket API, (2) the Java URLConnection API, or (3) the Silverlight WebClient API, aka a "BEAST" attack.

Remediation

There is no fixed version for Debian:11 gnutls28.

References

• ADVISORY
• APPLE
• APPLE
• Apple Security Advisory
• Apple Security Advisory
• Apple Security Advisory
• Apple Security Advisory
• Apple Security Advisory
• Apple Security Advisory
• Apple Security Announcement
• Apple Security Announcement
• Apple Security Announcement
• Apple Security Announcement
• Apple Security Announcement
• CERT
• Cert Vulnerability Note
• Chrome Release
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• CONFIRM
• Debian Security Advisory
• Gentoo Security Advisory
• Gentoo Security Advisory
• HP
• HP Security Bulletin
• HP Security Bulletin
• HP Security Bulletin
• HP Security Bulletin
• HP Security Bulletin
• HP Security Bulletin
• MISC
• MISC
• MISC
• MISC
• MISC
• MISC
• MISC
• MISC
• MS
• MS
• OpenSuse Security Announcement
• OpenSuse Security Announcement
• OpenSuse Security Announcement
• Oracle Security Bulletin
• Oracle Security Bulletin
• Oracle Security Bulletin
• OSVDB
• Oval Security
• RedHat Bugzilla Bug
• RedHat Security Advisory
• RedHat Security Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Secunia Advisory
• Security Focus
• Security Focus
• Security Tracker
• Security Tracker
• Security Tracker
• Security Tracker
• SUSE
• SUSE
• SUSE
• Ubuntu CVE Tracker
• Ubuntu Security Advisory

NVD Description

Note: Versions mentioned in the description apply only to the upstream apt package and not the apt package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.

Remediation

There is no fixed version for Debian:11 apt.

References

• ADVISORY
• Debian Bug Report
• MISC
• MISC
• MISC
• MISC
• RedHat CVE Database

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnupg2 package and not the gnupg2 package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

GnuPG can be made to spin on a relatively small input by (for example) crafting a public key with thousands of signatures attached, compressed down to just a few KB.

Remediation

There is no fixed version for Debian:11 gnupg2.

References

• ADVISORY
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsepol package and not the libsepol package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmap_match_any (called indirectly from cil_check_neverallow). This occurs because there is sometimes a lack of checks for invalid statements in an optional block.

Remediation

There is no fixed version for Debian:11 libsepol.

References

• ADVISORY
• MISC
• MISC
• MISC
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsepol package and not the libsepol package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

Remediation

There is no fixed version for Debian:11 libsepol.

References

• ADVISORY
• MISC
• MISC
• MISC
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsepol package and not the libsepol package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).

Remediation

There is no fixed version for Debian:11 libsepol.

References

• ADVISORY
• MISC
• MISC
• MISC
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsepol package and not the libsepol package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).

Remediation

There is no fixed version for Debian:11 libsepol.

References

• ADVISORY
• MISC
• MISC
• MISC
• cve@mitre.org

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

In Shadow 4.13, it is possible to inject control characters into fields provided to the SUID program chfn (change finger). Although it is not possible to exploit this directly (e.g., adding a new user fails because \n is in the block list), it is possible to misrepresent the /etc/passwd file when viewed. Use of \r manipulations and Unicode characters to work around blocking of the : character make it possible to give the impression that a new user has been added. In other words, an adversary may be able to convince a system administrator to take the system offline (an indirect, social-engineered denial of service) by demonstrating that "cat /etc/passwd" shows a rogue user account.

Remediation

There is no fixed version for Debian:11 shadow.

References

• ADVISORY
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org
• cve@mitre.org

NVD Description

This vulnerability has not been analyzed by NVD yet.

Remediation

There is no fixed version for Debian:11 shadow.

References

• ADVISORY

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

Remediation

There is no fixed version for Debian:11 shadow.

References

• ADVISORY
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com
• secalert@redhat.com