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USN-948-1: GnuTLS vulnerability

3 June 2010

Under certain circumstances, an attacker might be able to crash GnuTLS.

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Releases

Packages

Details

It was discovered that GnuTLS did not always properly verify the hash
algorithm of X.509 certificates. If an application linked against GnuTLS
processed a crafted certificate, an attacker could make GnuTLS dereference
a NULL pointer and cause a DoS via application crash.

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 6.06

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

References

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Further reading