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:
28 October 2005
A security issue affects these releases of Ubuntu and its derivatives:
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:
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
Vulmon