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USN-3294-2: Bash vulnerability

1 August 2017

A security issues were fixed in Bash.



  • bash - GNU Bourne Again SHell


USN-3294-1 fixed a vulnerability in Bash. This update provides the
corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Bash incorrectly handled the SHELLOPTS and PS4
environment variables. A local attacker could use this issue to execute
arbitrary code with root privileges. (CVE-2016-7543)

Update instructions

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

Ubuntu 12.04

In general, a standard system update will make all the necessary changes.


Related notices

  • USN-3294-1: bash-doc, bash-static, bash-builtins, bash