USN-213-1: sudo vulnerability

Ubuntu Security Notice USN-213-1

28th October, 2005

sudo vulnerability

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

  • Ubuntu 5.10
  • Ubuntu 5.04
  • Ubuntu 4.10

Details

Tavis Ormandy discovered a privilege escalation vulnerability in sudo.
On executing shell scripts with sudo, the "P4" and "SHELLOPTS"
environment variables were not cleaned properly. If sudo is set up to
grant limited sudo privileges to normal users this could be exploited
to run arbitrary commands as the target user.

Updated packags for Ubuntu 4.10:

Update instructions

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

Ubuntu 5.10:
sudo
Ubuntu 5.04:
sudo
Ubuntu 4.10:
sudo

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

None

References

CVE-2005-2959