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[USN-2485-1] GNU C Library vulnerability

Posted on 27 January 2015
Ubuntu Security

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==========================================================================
Ubuntu Security Notice USN-2485-1
January 27, 2015

eglibc vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

The GNU C Library could be made to crash or run programs.

Software Description:
- eglibc: GNU C Library

Details:

It was discovered that a buffer overflow existed in the gethostbyname
and gethostbyname2 functions in the GNU C Library. An attacker could
use this issue to execute arbitrary code or cause an application crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 LTS:
libc6 2.15-0ubuntu10.10

Ubuntu 10.04 LTS:
libc6 2.11.1-0ubuntu7.20

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

References:
http://www.ubuntu.com/usn/usn-2485-1
CVE-2015-0235

Package Information:
https://launchpad.net/ubuntu/+source/eglibc/2.15-0ubuntu10.10
https://launchpad.net/ubuntu/+source/eglibc/2.11.1-0ubuntu7.20

 

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