[USN-4058-2] Bash vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon Aug 5 16:12:07 UTC 2019
Ubuntu Security Notice USN-4058-2
August 05, 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
A system hardening measure could be bypassed.
- bash: GNU Bourne Again SHell
USN-4058-1 fixed a vulnerability in bash. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Bash incorrectly handled the restricted shell. An
attacker could possibly use this issue to escape restrictions and execute
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
Ubuntu 12.04 ESM:
In general, a standard system update will make all the necessary changes.
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