==========================================================================
Ubuntu Security Notice USN-2362-1
September 24, 2014
bash vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS
– Ubuntu 10.04 LTS
Summary:
Bash allowed bypassing environment restrictions in certain environments.
Software Description:
– bash: GNU Bourne Again SHell
Details:
Stephane Chazelas discovered that Bash incorrectly handled trailing code in
function definitions. An attacker could use this issue to bypass
environment restrictions, such as SSH forced command environments.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
bash 4.3-7ubuntu1.1
Ubuntu 12.04 LTS:
bash 4.2-2ubuntu2.2
Ubuntu 10.04 LTS:
bash 4.1-2ubuntu3.1
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2362-1
CVE-2014-6271
Package Information:
https://launchpad.net/ubuntu/+source/bash/4.3-7ubuntu1.1
https://launchpad.net/ubuntu/+source/bash/4.2-2ubuntu2.2
https://launchpad.net/ubuntu/+source/bash/4.1-2ubuntu3.1
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