USN-443-1: Firefox vulnerability

27 March 2007

firefox vulnerability

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

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS
  • Ubuntu 5.10

Software Description

Details

A flaw was discovered in how Firefox handled PASV FTP responses. If a user were tricked into visiting a malicious FTP server, a remote attacker could perform a port-scan of machines within the user’s network, leading to private information disclosure.

Update instructions

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

Ubuntu 6.10
firefox - 2.0.0.3+0dfsg-0ubuntu0.6.10
Ubuntu 6.06 LTS
firefox - 1.5.dfsg+1.5.0.11-0ubuntu0.6.06.1
Ubuntu 5.10
firefox - 1.5.dfsg+1.5.0.11-0ubuntu0.5.10.1

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

After a standard system upgrade you need to restart Firefox or reboot your computer to effect the necessary changes.

References