USN-1290-1: Kerberos vulnerability

8 December 2011

The Kerberos Key Distribution Center (KDC) could be made to crash.

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Releases

Packages

  • krb5 - MIT Kerberos Network Authentication Protocol

Details

Simo Sorce discovered that a NULL pointer dereference existed in
the Kerberos Key Distribution Center (KDC). An authenticated remote
attacker could use this to cause a denial of service.

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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 11.10

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

References

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Further reading