Out-of-bounds Read

Affecting krb5 package, versions <1.13.2+dfsg-3

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NVD Description

Note: Versions mentioned in the description apply to the upstream krb5 package. See Remediation section below for Debian:9 relevant versions.

The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.

Remediation

Upgrade Debian:9 krb5 to version 1.13.2+dfsg-3 or higher.

References

CVSS Score

4.3
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVE
CVE-2015-2697
CWE
CWE-125
Snyk ID
SNYK-DEBIAN9-KRB5-395756
Disclosed
09 Nov, 2015
Published
09 Nov, 2015