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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://www.ubuntu.com/usn/usn-3323-2
https://www.ubuntu.com/usn/usn-3323-1
CVE-2017-1000366

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