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Ubuntu 16.04 and 14.04 ESM: USN-5233-2 Critical ClamAV Crash

ubuntu
Calendar Grey January 19, 2022
Dist Ubuntu Esm H88
Enhance ClamAV on Ubuntu platforms in response to a severe crash flaw, impacting editions 14.04 and 16.04 ESM.
ClamAV could be made to crash if it opened a specially crafted file.

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.

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu clamav

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

Severity
critical
Lowest
Low
Medium
High
Critical

January 19, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu clamav

Package Information

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