1. Ubuntu Security Notices
  2. USN-879-1

USN-879-1: Kerberos vulnerability

Publication date

6 January 2010

Overview

Kerberos vulnerability

Releases

Packages

Details

Jeff Blaine, Radoslav Bodo, Jakob Haufe, and Jorgen Wahlsten discovered
that the Kerberos Key Distribution Center service did not correctly verify
certain network traffic. An unauthenticated remote attacker could send
a specially crafted request that would cause the KDC to crash, leading
to a denial of service.

Jeff Blaine, Radoslav Bodo, Jakob Haufe, and Jorgen Wahlsten discovered
that the Kerberos Key Distribution Center service did not correctly verify
certain network traffic. An unauthenticated remote attacker could send
a specially crafted request that would cause the KDC to crash, leading
to a denial of service.

Update instructions

In general, a standard system upgrade is sufficient to effect 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
9.10 karmic krb5-kdc –  1.7dfsg~beta3-1ubuntu0.1

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References

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