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Ubuntu 18.04, 16.04, 14.04: USN-6303-2 Critical ClamAV DoS

ubuntu
Calendar Grey August 21, 2023
Dist Ubuntu Esm H88
An identified vulnerability in ClamAV impacts various Ubuntu versions, resulting in possible system failures and service interruptions if the flaw is leveraged.
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-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.

Topics%20covered

Topics Covered

security advisory denial of service update critical software issue ubuntu clamav

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6303-2

Topics%20covered

Topics Covered

security advisory denial of service update critical software issue ubuntu clamav

Package Information

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