USN-6543-1: GNU Tar vulnerability

Publication date

11 December 2023

Overview

tar could be made to crash if it opened a specially crafted file.


Packages

  • tar - GNU version of the tar archiving utility

Details

It was discovered that tar incorrectly handled extended attributes in PAX
archives. An attacker could use this issue to cause tar to crash, resulting in a
denial of service.

It was discovered that tar incorrectly handled extended attributes in PAX
archives. An attacker could use this issue to cause tar to crash, resulting in a
denial of service.

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
23.10 mantic tar –  1.34+dfsg-1.2ubuntu1.1
23.04 lunar tar –  1.34+dfsg-1.2ubuntu0.2
22.04 jammy tar –  1.34+dfsg-1ubuntu0.1.22.04.2
20.04 focal tar –  1.30+dfsg-7ubuntu0.20.04.4
18.04 bionic tar –  1.29b-2ubuntu0.4+esm1  
16.04 xenial tar –  1.28-2.1ubuntu0.2+esm3  
14.04 trusty tar –  1.27.1-1ubuntu0.1+esm4  

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