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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.

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 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