Ubuntu Security Notice USN-1290-1
7th December, 2011
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
The Kerberos Key Distribution Center (KDC) could be made to crash.
- krb5 - MIT Kerberos Network Authentication Protocol
Simo Sorce discovered that a NULL pointer dereference existed in
the Kerberos Key Distribution Center (KDC). An authenticated remote
attacker could use this to cause a denial of service.
The problem can be corrected by updating your system to the following package version:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.