Public Date:
668726: CVE-2011-0282 krb5: KDC crash when using LDAP backend caused by a special principal name (MITKRB5-SA-2011-002)

The MITRE CVE dictionary describes this issue as:

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.6.x through 1.9, when an LDAP backend is used, allows remote attackers to cause a denial of service (NULL pointer dereference or buffer over-read, and daemon crash) via a crafted principal name.

Find out more about CVE-2011-0282 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 3 or 4 as they did not include support for the LDAP backend.

CVSS v2 metrics

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (krb5) RHSA-2011:0200 2011-02-08
Red Hat Enterprise Linux 5 (krb5) RHSA-2011:0199 2011-02-08

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 krb5 Not affected
Red Hat Enterprise Linux 3 krb5 Not affected


Red Hat would like to thank the MIT Kerberos project for reporting this issue.

Last Modified

CVE description copyright © 2017, The MITRE Corporation