=========================================================================Ubuntu Security Notice USN-3323-2
June 29, 2017
eglibc vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Gnu C library could be made to run programs as an administrator.
Software Description:
- eglibc: GNU C Library
Details:
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
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-3323-2
https://ubuntu.com/security/notices/USN-3323-1
CVE-2017-1000366