USN-740-1: NSS vulnerability

Ubuntu Security Notice USN-740-1

17th March, 2009

nss, firefox vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 6.06 LTS

Software description

  • firefox
  • nss

Details

The MD5 algorithm is known not to be collision resistant. This update
blacklists the proof of concept rogue certificate authority as discussed
in http://www.win.tue.nl/hashclash/rogue-ca/.

Update instructions

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

Ubuntu 8.10:
libnss3-1d 3.12.0.3-0ubuntu5.8.10.1
Ubuntu 8.04 LTS:
libnss3-0d 3.12.0.3-0ubuntu0.8.04.5
libnss3-1d 3.12.0.3-0ubuntu0.8.04.5
Ubuntu 7.10:
libnss3-0d 3.11.5-3ubuntu0.7.10.2
Ubuntu 6.06 LTS:
libnss3 1.5.dfsg+1.5.0.15~prepatch080614k-0ubuntu2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system upgrade you need to restart your session to
effect the necessary changes.

References

CVE-2004-2761