USN-213-1: sudo vulnerability

Releases

• 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 versions:

Ubuntu 5.10

• sudo -

Ubuntu 5.04

• sudo -

Ubuntu 4.10

• sudo -

In general, a standard system update will make all the necessary changes.

References

• CVE-2005-2959