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USN-1088-1: Kerberos vulnerability

15 March 2011

MIT Kerberos 5 Key Distribution Center (KDC) daemon denial of service vulnerability.

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Releases

Packages

  • krb5 - MIT Kerberos primary server (kadmind)

Details

Cameron Meadors discovered that the MIT Kerberos 5 Key Distribution
Center (KDC) daemon is vulnerable to a double-free condition if
the Public Key Cryptography for Initial Authentication (PKINIT)
capability is enabled. This could allow a remote attacker to cause
a denial of service.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 9.10
Ubuntu 10.10
Ubuntu 10.04

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

References