What’s Vulnerable › Vulnerabilities

CVE-2014-4343

• Severity: high (CVSS 7.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-08-14 · updated 2026-06-17
• Weakness: CWE-415

Description

Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.

Affected products

• Debian Linux: 7.0
• MIT Kerberos 5: 1.10, 1.10.1, 1.10.2, 1.10.3, 1.10.4, 1.11 (+7)
• 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://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc
• http://krbdev.mit.edu/rt/Ticket/Display.html?id=7969
• http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html
• http://rhn.redhat.com/errata/RHSA-2015-0439.html
• http://secunia.com/advisories/59102
• http://secunia.com/advisories/60082
• http://secunia.com/advisories/60448
• http://secunia.com/advisories/61052
• http://security.gentoo.org/glsa/glsa-201412-53.xml
• http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15553.html
• http://www.debian.org/security/2014/dsa-3000

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