The Kerberos Key Distribution Center (KDC) could be made to crash.
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.
8 December 2011
A security issue affects these releases of Ubuntu and its derivatives:
The Kerberos Key Distribution Center (KDC) could be made to crash.
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 versions:
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.
Vulmon