USN-3304-1: Sudo vulnerability
30 May 2017
Sudo could be made to overwrite files as the administrator.
- sudo - Provide limited super user privileges to specific users
It was discovered that Sudo did not properly parse the contents of
/proc/[pid]/stat when attempting to determine its controlling tty.
A local attacker in some configurations could possibly use this to
overwrite any file on the filesystem, bypassing intended permissions.
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.