USN-1116-1: Kerberos vulnerability

Releases

• Ubuntu 10.10
• Ubuntu 10.04
• Ubuntu 9.10

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.

Update instructions

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

Ubuntu 9.10

• krb5-admin-server - 1.7dfsg~beta3-1ubuntu0.13

Ubuntu 10.10

• krb5-admin-server - 1.8.1+dfsg-5ubuntu0.7

Ubuntu 10.04

• krb5-admin-server - 1.8.1+dfsg-2ubuntu0.9

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

References

• CVE-2011-0285