USN-4180-1: Bash vulnerability

  • Thread starter Ubuntu security notices
  • Start date
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Ubuntu security notices

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bash vulnerability


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

  • Ubuntu 12.04 ESM
Summary


Bash could be made to crash or execute arbitrary code if it received a specially crafted input.

Software Description

  • bash - GNU Bourne Again SHell
Details


It was discovered that Bash incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

Update instructions


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

Ubuntu 12.04 ESM
bash - 4.2-2ubuntu2.9

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Bash to make all the necessary changes.

References


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