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USN-443-1: Firefox vulnerability

27 March 2007

Firefox vulnerability

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

Releases

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.

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 6.10
  • firefox - 2.0.0.3+0dfsg-0ubuntu0.6.10
Ubuntu 6.06
  • 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

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

References