USN-6697-1: Bash vulnerability

Publication date

18 March 2024

Overview

Bash could be made to crash or run programs as your login if it opened a specially crafted file.

Releases


Packages

  • bash - GNU Bourne Again SHell

Details

It was discovered that Bash incorrectly handled certain memory operations
when processing commands. If a user or automated system were tricked into
running a specially crafted bash file, a remote attacker could use this
issue to cause Bash to crash, resulting in a denial of service, or possibly
execute arbitrary code.

It was discovered that Bash incorrectly handled certain memory operations
when processing commands. If a user or automated system were tricked into
running a specially crafted bash file, a remote attacker could use this
issue to cause Bash to crash, resulting in a denial of service, or possibly
execute arbitrary code.

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
22.04 jammy bash –  5.1-6ubuntu1.1

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