USN-2121-1: GnuTLS vulnerability

25 February 2014

GnuTLS incorrectly validated certain intermediate certificates.

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Releases

Packages

Details

Suman Jana discovered that GnuTLS incorrectly handled version 1
intermediate certificates. This resulted in them being considered to be a
valid CA certificate by default, which was contrary to documented
behaviour.

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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.

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Update instructions

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

Ubuntu 13.10
Ubuntu 12.10
Ubuntu 12.04

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

References

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Further reading