USN-4077-1: tmpreaper vulnerability
29 July 2019
tmpreaper could be made to overwrite files as the administrator.
Releases
Packages
- tmpreaper - cleans up files in directories based on their age
Details
It was discovered that tmpreaper incorrectly handled certain mount operations. A
local attacker could possibly use this issue to create arbitrary files, leading
to privilege escalation.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
Ubuntu 16.04
In general, a standard system update will make all the necessary changes.