USN-3323-1: GNU C Library vulnerability

Publication date

19 June 2017

Overview

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


Packages

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.04 zesty libc6 –  2.24-9ubuntu2.2
16.10 yakkety libc6 –  2.24-3ubuntu2.2
16.04 xenial libc6 –  2.23-0ubuntu9
14.04 trusty libc6 –  2.19-0ubuntu6.13

Reduce your security exposure

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