1. Ubuntu Security Notices
  2. USN-4058-1

USN-4058-1: Bash vulnerability

Publication date

15 July 2019

Overview

A system hardening measure could be bypassed.

Releases

Packages

  • bash - GNU Bourne Again SHell

Details

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

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial bash –  4.3-14ubuntu1.4

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References

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