A tar security update has been released for Ubuntu Linux 14.04 ESM, 16.04 ESM, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 22.10.

USN-5900-1: tar vulnerability

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Ubuntu Security Notice USN-5900-1
February 28, 2023

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

tar could be made to crash or expose sensitive information
if it received a specially crafted file.

Software Description:
- tar: GNU version of the tar archiving utility

Details:

It was discovered that tar incorrectly handled certain files.
An attacker could possibly use this issue to expose sensitive information
or cause a crash.

Update instructions:

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

Ubuntu 22.10:
tar 1.34+dfsg-1ubuntu0.1.22.10.1

Ubuntu 22.04 LTS:
tar 1.34+dfsg-1ubuntu0.1.22.04.1

Ubuntu 20.04 LTS:
tar 1.30+dfsg-7ubuntu0.20.04.3

Ubuntu 18.04 LTS:
tar 1.29b-2ubuntu0.4

Ubuntu 16.04 ESM:
tar 1.28-2.1ubuntu0.2+esm2

Ubuntu 14.04 ESM:
tar 1.27.1-1ubuntu0.1+esm3

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

References:
  https://ubuntu.com/security/notices/USN-5900-1
CVE-2022-48303

Package Information:
  https://launchpad.net/ubuntu/+source/tar/1.34+dfsg-1ubuntu0.1.22.10.1
  https://launchpad.net/ubuntu/+source/tar/1.34+dfsg-1ubuntu0.1.22.04.1
  https://launchpad.net/ubuntu/+source/tar/1.30+dfsg-7ubuntu0.20.04.3
  https://launchpad.net/ubuntu/+source/tar/1.29b-2ubuntu0.4