Public Date:
670567: CVE-2011-0283 krb5: uninitialized pointer use in krb5kdc leads to KDC crash

The MITRE CVE dictionary describes this issue as:

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request packet that does not trigger a response packet.

Find out more about CVE-2011-0283 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, 4, 5 or 6.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

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).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 krb5 Affected