Public Date:
827517: CVE-2012-1013 krb5: kadmind denial of service

The MITRE CVE dictionary describes this issue as:

The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.

Find out more about CVE-2012-1013 from the MITRE CVE dictionary dictionary and NIST NVD.


Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 4 and 5.

CVSS v2 metrics

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

Base Score 3.5
Base Metrics AV:N/AC:M/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication Single
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 version 6 (krb5) RHSA-2012:1131 2012-07-31

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 krb5 Not affected
Red Hat Enterprise Linux 4 krb5 Not affected