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USN-301-1: kdm vulnerability

15 June 2006

kdm vulnerability

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Releases

Details

Ludwig Nussel discovered that kdm managed the ~/.dmrc file in an
insecure way. By performing a symlink attack, a local user could
exploit this to read arbitrary files on the system, like private files
of other users, /etc/shadow, and similarly sensitive data.

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 6.06
  • kdm - 4:3.5.2-0ubuntu27
Ubuntu 5.10
  • kdm - 4:3.4.3-0ubuntu7
Ubuntu 5.04
  • kdm - 4:3.4.0-0ubuntu18.3

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References