1. Ubuntu Security Notices
  2. USN-1540-1

USN-1540-1: NSS vulnerability

Publication date

16 August 2012

Overview

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

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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
11.10 oneiric libnss3-1d –  3.12.9+ckbi-1.82-0ubuntu6.1
11.04 natty libnss3-1d –  3.12.9+ckbi-1.82-0ubuntu2.2
10.04 lucid libnss3-1d –  3.12.9+ckbi-1.82-0ubuntu0.10.04.4

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References

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