The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka...
Vulnerability Description
The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c 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 handle partial XDR deserialization, 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 malformed XDR data, as demonstrated by data sent 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/72496
- https://github.com/krb5/krb5/commit/a197e92349a4aa2141b5dff12e9dd44c2a2166e3
- http://web.mit.edu/kerberos/advisories/2015-001-patch-r113.txt
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