[USN-6303-2] ClamAV vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-6303-2
August 21, 2023

clamav vulnerability
==========================================================================

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.

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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