1. Ubuntu Security Notices
  2. USN-1116-1

USN-1116-1: Kerberos vulnerability

Publication date

19 April 2011

Overview

An unauthenticated remote user could crash the Kerberos service.

Releases

Packages

  • krb5 - MIT Kerberos services

Details

Felipe Ortega discovered that kadmind did not correctly handle password
changing error conditions. An unauthenticated remote attacker could exploit
this to crash kadmind, leading to a denial of service.

Felipe Ortega discovered that kadmind did not correctly handle password
changing error conditions. An unauthenticated remote attacker could exploit
this to crash kadmind, leading to 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
9.10 karmic krb5-admin-server –  1.7dfsg~beta3-1ubuntu0.13
10.10 maverick krb5-admin-server –  1.8.1+dfsg-5ubuntu0.7
10.04 lucid krb5-admin-server –  1.8.1+dfsg-2ubuntu0.9

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References

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