CVE-2014-4342

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-07-20 · updated 2026-06-17
Weakness: CWE-119

Description

MIT Kerberos 5 (aka krb5) 1.7.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (buffer over-read or NULL pointer dereference, and application crash) by injecting invalid tokens into a GSSAPI application session.

Affected products

Debian Linux: 7.0
MIT Kerberos: 5-1.8-alpha1, 5-1.10.5, 5-1.10.6, 5-1.10.7
MIT Kerberos 5: 1.7, 1.7.1, 1.8, 1.8.1, 1.8.2, 1.8.3 (+20)
RedHat Enterprise Linux Desktop: 7.0
RedHat Enterprise Linux Hpc Node: 7.0
RedHat Enterprise Linux Server: 7.0
RedHat Enterprise Linux Workstation: 7.0

References

http://advisories.mageia.org/MGASA-2014-0345.html
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7949
http://rhn.redhat.com/errata/RHSA-2015-0439.html
http://secunia.com/advisories/59102
http://secunia.com/advisories/60082
http://www.debian.org/security/2014/dsa-3000
http://www.mandriva.com/security/advisories?name=MDVSA-2014:165
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/68908
http://www.securitytracker.com/id/1030706
https://exchange.xforce.ibmcloud.com/vulnerabilities/94903
https://github.com/krb5/krb5/commit/e6ae703ae597d798e310368d52b8f38ee11c6a73

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