[USN-2362-1] Bash vulnerability

Type securityvulns
Reporter Securityvulns
Modified 2014-09-25T00:00:00


========================================================================== 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


Bash allowed bypassing environment restrictions in certain environments.

Software Description: - bash: GNU Bourne Again SHell


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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