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USN-1290-1: Kerberos vulnerability

8 December 2011

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.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 11.10

In general, a standard system update will make all the necessary changes.