1. Ubuntu Security Notices
  2. USN-3323-2

USN-3323-2: GNU C Library vulnerability

Publication date

29 June 2017

Overview

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

Releases

Packages

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.

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

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
12.04 precise libc6 –  2.15-0ubuntu10.20

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References

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