Ubuntu 18.04, 16.04, 14.04: USN-6303-2 Critical ClamAV DoS
ubuntu
August 21, 2023
ClamAV could be made to crash if it opened a specially crafted file.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - 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: ClamAV could be made to crash if it opened a specially crafted file. Software Description: - clamav: Anti-virus utility for Unix Details: USN-6303-1 fixed a vulnerability in ClamAV. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS. Original advisory details: It was discovered that ClamAV incorrectly handled parsing HFS+ files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS (Available with Ubuntu Pro): clamav 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): clamav 0.103.9+dfsg-0ubuntu0.16.04.1+esm1 Ubuntu 14.04 LTS (Available with Ubuntu Pro): clamav 0.103.9+dfsg-0ubuntu0.14.04.1+esm1 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6303-2
https://ubuntu.com/security/notices/USN-6303-1
CVE-2023-20197
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Ubuntu Security Notice USN-6303-2
Topics Covered
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