Integer Overflow or Wraparound Affecting libssh2 package, versions <0:1.4.2-3.el6_10.1
Snyk CVSS
Attack Complexity
High
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
1.02% (84th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS6-LIBSSH2-2156048
- published 26 Jul 2021
- disclosed 13 Mar 2019
How to fix?
Upgrade Centos:6
libssh2
to version 0:1.4.2-3.el6_10.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libssh2
package and not the libssh2
package as distributed by Centos
.
See How to fix?
for Centos:6
relevant fixed versions and status.
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
References
- http://www.securityfocus.com/bid/107485
- https://seclists.org/bugtraq/2019/Apr/25
- https://seclists.org/bugtraq/2019/Mar/25
- https://seclists.org/bugtraq/2019/Sep/49
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855
- https://security.netapp.com/advisory/ntap-20190327-0005/
- https://support.apple.com/kb/HT210609
- https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767
- https://access.redhat.com/security/cve/CVE-2019-3855
- https://www.debian.org/security/2019/dsa-4431
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/
- http://seclists.org/fulldisclosure/2019/Sep/42
- http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html
- https://www.libssh2.org/CVE-2019-3855.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- http://www.openwall.com/lists/oss-security/2019/03/18/3
- https://access.redhat.com/errata/RHSA-2019:1652
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCWEA5ZCLKRDUK62QVVYMFWLWKOPX3LO/