USN-436-1: KTorrent vulnerabilities

Ubuntu Security Notice USN-436-1

12th March, 2007

ktorrent vulnerabilities

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

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS


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

Update instructions

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

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.


CVE-2007-1384, CVE-2007-1385