USN-3294-2: Bash vulnerability
Ubuntu Security Notice USN-3294-2
1st August, 2017
bash vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 12.04 LTS
Summary
A security issues were fixed in Bash.
Software description
- 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 version:
- Ubuntu 12.04 LTS:
-
bash
4.2-2ubuntu2.7
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3294-2: Bash vulnerability
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