USN-3536-1: GNU C Library vulnerability
Ubuntu Security Notice USN-3536-1
17th January, 2018
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
The GNU C library could be made to run programs as an administrator.
- eglibc - GNU C Library
It was discovered that the GNU C library did not properly handle all of
the possible return values from the kernel getcwd(2) syscall. A local
attacker could potentially exploit this to execute arbitrary code in setuid
programs and gain administrative privileges. (CVE-2018-1000001)
The problem can be corrected by updating your system to the following package version:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.