[USN-1290-1] Kerberos vulnerability

Steve Beattie sbeattie at ubuntu.com
Thu Dec 8 00:45:57 UTC 2011

Ubuntu Security Notice USN-1290-1
December 08, 2011

krb5 vulnerability

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.

Software Description:
- 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:
  krb5-kdc                        1.9.1+dfsg-1ubuntu2.2

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


Package Information:

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