USN-5233-2: ClamAV vulnerability

Publication date

19 January 2022

Overview

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


Packages

  • clamav - Anti-virus utility for Unix

Details

USN-5233-1 fixed a vulnerability in ClamAV. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that ClamAV incorrectly handled memory when the
CL_SCAN_GENERAL_COLLECT_METADATA scan option was enabled. A remote attacker
could possibly use this issue to cause ClamAV to crash, resulting in a
denial of service.

USN-5233-1 fixed a vulnerability in ClamAV. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that ClamAV incorrectly handled memory when the
CL_SCAN_GENERAL_COLLECT_METADATA scan option was enabled. A remote attacker
could possibly use this issue to cause ClamAV to crash, resulting in a
denial of service.

Update instructions

This update uses a new upstream release, which includes additional bug fixes. 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
16.04 xenial clamav –  0.103.5+dfsg-0ubuntu0.16.04.1+esm1  
14.04 trusty clamav –  0.103.5+dfsg-0ubuntu0.14.04.1+esm1  

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