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Ubuntu Security Notice USN-5233-2

Ubuntu Security Notice USN-5233-2
Posted Jan 19, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5233-2 - USN-5233-1 fixed a vulnerability in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. 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.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-20698
SHA-256 | 8a4e6bd5262a081210485f76a46b89ea421de2fd31fa6998b00fd33f840768fa

Ubuntu Security Notice USN-5233-2

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-5233-2
January 19, 2022

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

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 16.04 ESM:
clamav 0.103.5+dfsg-0ubuntu0.16.04.1+esm1

Ubuntu 14.04 ESM:
clamav 0.103.5+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-5233-2
https://ubuntu.com/security/notices/USN-5233-1
CVE-2022-20698
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