USN-496-1: koffice vulnerability

3 August 2007

koffice vulnerability

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

  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software Description


Derek Noonburg discovered an integer overflow in the Xpdf function StreamPredictor::StreamPredictor(). By importing a specially crafted PDF file into KWord, this could be exploited to run arbitrary code with the user’s privileges.

Update instructions

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

Ubuntu 7.04
kword - 1:1.6.2-0ubuntu1.1
Ubuntu 6.10
kword - 1:1.5.2-0ubuntu2.2
Ubuntu 6.06 LTS
kword - 1:1.5.0-0ubuntu9.2

To update your system, please follow these instructions:

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