========================================================================== Ubuntu Security Notice USN-6543-1 December 11, 2023
tar vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) - Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: tar could be made to crash if it opened a specially crafted file. Software Description: - 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: tar 1.34+dfsg-1.2ubuntu1.1 Ubuntu 23.04: tar 1.34+dfsg-1.2ubuntu0.2 Ubuntu 22.04 LTS: tar 1.34+dfsg-1ubuntu0.1.22.04.2 Ubuntu 20.04 LTS: tar 1.30+dfsg-7ubuntu0.20.04.4 Ubuntu 18.04 LTS (Available with Ubuntu Pro): tar 1.29b-2ubuntu0.4+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): tar 1.28-2.1ubuntu0.2+esm3 Ubuntu 14.04 LTS (Available with Ubuntu Pro): tar 1.27.1-1ubuntu0.1+esm4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6543-1 CVE-2023-39804 Package Information: https://launchpad.net/ubuntu/+source/tar/1.34+dfsg-1.2ubuntu1.1 https://launchpad.net/ubuntu/+source/tar/1.34+dfsg-1.2ubuntu0.2 https://launchpad.net/ubuntu/+source/tar/1.34+dfsg-1ubuntu0.1.22.04.2 https://launchpad.net/ubuntu/+source/tar/1.30+dfsg-7ubuntu0.20.04.4
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