[USN-4058-1] Bash vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Mon Jul 15 16:16:44 UTC 2019

Ubuntu Security Notice USN-4058-1
July 15, 2019

bash vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS


A system hardening measure could be bypassed.

Software Description:
- bash: GNU Bourne Again SHell


It was discovered that Bash incorrectly handled the restricted shell. An
attacker could possibly use this issue to escape restrictions and execute
any command.

Update instructions:

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

Ubuntu 16.04 LTS:
  bash                            4.3-14ubuntu1.4

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


Package Information:

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