su could be made to crash or stop programs as an administrator.
USN-3276-1 and USN-3276-2 fixed vulnerabilities in shadow. This update provides the corresponding update for Ubuntu 12.04 ESM.
14 November 2017
A security issue affects these releases of Ubuntu and its derivatives:
su could be made to crash or stop programs as an administrator.
USN-3276-1 and USN-3276-2 fixed vulnerabilities in shadow. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Sebastian Krahmer discovered integer overflows in shadow utilities. A local attacker could possibly cause them to crash or potentially gain privileges via crafted input. (CVE-2016-6252)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon