USN-4176-1: GNU cpio vulnerability
6 November 2019
GNU cpio could be used to privilege escalation if it received a specially crafted input.
Releases
Packages
- cpio - a tool to manage archives of files
Details
Thomas Habets discovered that GNU cpio incorrectly handled certain inputs.
An attacker could possibly use this issue to privilege escalation.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10
Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04
-
cpio
-
2.11+dfsg-1ubuntu1.2+esm1
Available with Ubuntu Pro
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.