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Ubuntu 16.04 ESM USN-5423-2 Critical: ClamAV Denial Of Service

ubuntu
Calendar Grey May 17, 2022
Dist Ubuntu Esm H88
Latest updates for ClamAV on Ubuntu 14.04 and 16.04 ESM effectively address critical vulnerabilities in the antivirus software, enhancing security against threats
Several security issues were fixed in ClamAV.

Summary

Several security issues were fixed in ClamAV.

Software Description:

- clamav: Anti-virus utility for Unix

Details:

USN-5423-1 fixed several vulnerabilities in ClamAV. This update provides

the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.

Original advisory details:

Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files.

A remote attacker could possibly use this issue to cause ClamAV to stop

responding, resulting in a denial of service. (CVE-2022-20770)

Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF

files. A remote attacker could possibly use this issue to cause ClamAV to

stop responding, resulting in a denial of service. (CVE-2022-20771)

Michał Dardas discovered that ClamAV incorrectly handled parsing HTML

files. A remote attacker could possibly use this issue to cause ClamAV to

consume resources, resulting in a denial of service. (CVE-2022-20785)

Michał Dardas discovered that Cla...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update Ubuntu system patch ClamAV

Update Instructions

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

Ubuntu 16.04 ESM:
  clamav                          0.103.6+dfsg-0ubuntu0.16.04.1+esm1

Ubuntu 14.04 ESM:
  clamav                          0.103.6+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-5423-1

CVE-2022-20770, CVE-2022-20771, CVE-2022-20785, CVE-2022-20792,

CVE-2022-20796

Severity
critical
Lowest
Low
Medium
High
Critical

May 17, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update Ubuntu system patch ClamAV

Package Information

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