The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in...
Vulnerability Description
The krb5_gss_process_context_token function in lib/gssapi/krb5/process_context_token.c in the libgssapi_krb5 library in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly maintain security-context handles, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via crafted GSSAPI traffic, as demonstrated by traffic to kadmind.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151437.html
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2015-001.txt
- http://rhn.redhat.com/errata/RHSA-2015-0794.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151103.html
- http://www.debian.org/security/2015/dsa-3153
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00044.html
- http://rhn.redhat.com/errata/RHSA-2015-0439.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00016.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:069
- http://www.ubuntu.com/usn/USN-2498-1
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00011.html
- http://www.securityfocus.com/bid/72495
- https://github.com/krb5/krb5/commit/82dc33da50338ac84c7b4102dc6513d897d0506a
- http://web.mit.edu/kerberos/advisories/2015-001-patch-r113.txt
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Weaknesses (CWE)
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