1. Ubuntu Security Notices
  2. USN-1290-1

USN-1290-1: Kerberos vulnerability

Publication date

8 December 2011

Overview

The Kerberos Key Distribution Center (KDC) could be made to crash.

Releases

Packages

  • krb5 - MIT Kerberos Network Authentication Protocol

Details

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
11.10 oneiric krb5-kdc –  1.9.1+dfsg-1ubuntu2.2

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References

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