USN-436-1: KTorrent vulnerabilities

13 March 2007

ktorrent vulnerabilities

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

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software Description


Bryan Burns of Juniper Networks discovered that KTorrent did not correctly validate the destination file paths nor the HAVE statements sent by torrent peers. A malicious remote peer could send specially crafted messages to overwrite files or execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 6.10
ktorrent - 2.0.3+dfsg1-0ubuntu1.1
Ubuntu 6.06 LTS
ktorrent - 1.2-0ubuntu5.1

To update your system, please follow these instructions:

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