USN-3323-2: GNU C Library vulnerability

29 June 2017

eglibc vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 ESM


Gnu C library could be made to run programs as an administrator.

Software Description

  • eglibc - GNU C Library


USN-3323-1 fixed a vulnerability in the GNU C Library. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that the GNU C library did not properly handle memory when processing environment variables for setuid programs. A local attacker could use this in combination with another vulnerability to gain administrative privileges.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04 ESM
libc6 - 2.15-0ubuntu10.20

To update your system, please follow these instructions:

After a standard system update you need to reboot your computer to make all the necessary changes.