USN-3748-1: base-files vulnerability
21 August 2018
base-files could be made to hang or overwrite files as the administrator.
Releases
Packages
- base-files - Debian base system miscellaneous files
Details
Sander Bos discovered that the MOTD update script incorrectly handled
temporary files. A local attacker could use this issue to cause a denial of
service, or possibly escalate privileges if kernel symlink restrictions
were disabled.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
In general, a standard system update will make all the necessary changes.