Updated base-files packages has been released for Ubuntu Linux 18.04 LTS
==========================================================================Base-Files Security Update for Ubuntu 18.04 LTS
Ubuntu Security Notice USN-3748-1
August 21, 2018
base-files vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary:
base-files could be made to hang or overwrite files as the administrator.
Software Description:
- 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 LTS:
base-files 10.1ubuntu2.2
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3748-1
CVE-2018-6557
Package Information:
https://launchpad.net/ubuntu/+source/base-files/10.1ubuntu2.2
