USN-1540-1: NSS vulnerability

16 August 2012

NSS could be made to crash if it opened a specially crafted certificate.

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Releases

Packages

  • nss - Network Security Service library

Details

Kaspar Brand discovered a vulnerability in how the Network Security
Services (NSS) ASN.1 decoder handles zero length items. If the user were
tricked into opening a specially crafted certificate, an attacker could
possibly exploit this to cause a denial of service via application crash.

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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
Ubuntu 11.04
Ubuntu 10.04

After a standard system update you need to restart any applications that
use NSS, such as Evolution, to make all the necessary changes.

References

Related notices

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Further reading