USN-3294-2: Bash vulnerability

Releases

• Ubuntu 12.04

Packages

• bash - GNU Bourne Again SHell

Details

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

• bash - 4.2-2ubuntu2.7

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

References

• CVE-2016-7543

Related notices

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