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Ubuntu 23.10 USN-6636-1 Critical ClamAV Denial of Service Attack

ubuntu
Calendar Grey February 14, 2024
Dist Ubuntu Esm H88
Patches for ClamAV security flaws in Ubuntu 23.10 rolled out on February 14, 2024, tackling vulnerabilities and introducing enhancements.
Several security issues were fixed in ClamAV.

Summary

Several security issues were fixed in ClamAV.

Software Description:

- clamav: Anti-virus utility for Unix

Details:

It was discovered that ClamAV incorrectly handled parsing certain OLE2

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

crash, resulting in a denial of service. (CVE-2024-20290)

Amit Schendel discovered that the ClamAV ClamD service incorrectly handled

the VirusEvent feature. An attacker able to connect to ClamD could possibly

use this issue to execute arbitrary code. (CVE-2024-20328)

Topics%20covered

Topics Covered

security advisory denial of service critical software update remote code execution ubuntu clamav

Update Instructions

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

Ubuntu 23.10:
   clamav                          1.0.5+dfsg-0ubuntu0.23.10.1

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-6636-1

CVE-2024-20290, CVE-2024-20328

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6636-1

Topics%20covered

Topics Covered

security advisory denial of service critical software update remote code execution ubuntu clamav

Package Information

https://launchpad.net/ubuntu/+source/clamav/1.0.5+dfsg-0ubuntu0.23.10.1

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