CVE-2011-0284

Severity: high (CVSS 7.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-03-20 · updated 2026-06-16
Weakness: CWE-399

Description

Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.

Affected products

MIT Kerberos 5: 1.7, 1.7.1, 1.8, 1.8.1, 1.8.2, 1.8.3 (+1)

References

http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://osvdb.org/71183
http://secunia.com/advisories/43700
http://secunia.com/advisories/43760
http://secunia.com/advisories/43783
http://secunia.com/advisories/43881
http://securitytracker.com/id?1025216
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt
http://www.kb.cert.org/vuls/id/943220

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