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=========================================================================Ubuntu Security Notice USN-1116-1
April 19, 2011

krb5 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 9.10

Summary:

An unauthenticated remote user could crash the Kerberos service.

Software Description:
- 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.

Update instructions:

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

Ubuntu 10.10:
  krb5-admin-server               1.8.1+dfsg-5ubuntu0.7

Ubuntu 10.04 LTS:
  krb5-admin-server               1.8.1+dfsg-2ubuntu0.9

Ubuntu 9.10:
  krb5-admin-server               1.7dfsg~beta3-1ubuntu0.13

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

References:
  CVE-2011-0285

Package Information:
  https://launchpad.net/ubuntu/+source/krb5/1.8.1+dfsg-5ubuntu0.7
  https://launchpad.net/ubuntu/+source/krb5/1.8.1+dfsg-2ubuntu0.9
  https://launchpad.net/ubuntu/+source/krb5/1.7dfsg~beta3-1ubuntu0.13


--YhFoJY/gx7awiIuK

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