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CVE-2005-1923

2.6 · LOW

The ENSURE_BITS macro in mszipd.c for Clam AntiVirus (ClamAV) 0.83, and other versions vefore 0.86, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a cab…

Published Jul 5, 2005clam_anti-virusEPSS 1.62%

Overview

CVE-2005-1923 is a low-severity vulnerability affecting clam_anti-virus clamav. It was published on July 5, 2005 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The ENSURE_BITS macro in mszipd.c for Clam AntiVirus (ClamAV) 0.83, and other versions vefore 0.86, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a cabinet (CAB) file with the cffile_FolderOffset field set to 0xff, which causes a zero-length read.

Remediation

Check the references section for vendor advisories and patches from clam_anti-virus. Update clamav to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.debian.org/security/2005/dsa-737Refwww.idefense.com/application/poi/display?id=275&type=vulnerabilitiesRefwww.debian.org/security/2005/dsa-737Refwww.idefense.com/application/poi/display?id=275&type=vulnerabilities

How CyberStrike helps

Frequently asked questions

What is CVE-2005-1923?

CVE-2005-1923 is a low-severity vulnerability affecting clam_anti-virus clamav. It was published on July 5, 2005 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2005-1923?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2005-1923?

Check the references section for vendor advisories and patches from clam_anti-virus. Update clamav to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2005-1923?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-1923 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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