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CVE-2017-12377

9.8 · CRITICAL

ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute…

Published Jan 26, 2018CWE-125EPSS 11.58%

Overview

CVE-2017-12377 is a critical-severity vulnerability. It was published on January 26, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on an affected device. The vulnerability is due to improper input validation checking mechanisms in mew packet files sent to an affected device. A successful exploit could cause a heap-based buffer over-read condition in mew.c when ClamAV scans the malicious file, allowing the attacker to cause a DoS condition or potentially execute arbitrary code on the affected device.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refblog.clamav.net/2018/01/clamav-0993-has-been-released.htmlRefbugzilla.clamav.net/show_bug.cgi?id=11943Reflists.debian.org/debian-lts-announce/2018/01/msg00035.htmlRefusn.ubuntu.com/3550-1/Refusn.ubuntu.com/3550-2/Refblog.clamav.net/2018/01/clamav-0993-has-been-released.htmlRefbugzilla.clamav.net/show_bug.cgi?id=11943Reflists.debian.org/debian-lts-announce/2018/01/msg00035.htmlRefusn.ubuntu.com/3550-1/Refusn.ubuntu.com/3550-2/

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12377?

CVE-2017-12377 is a critical-severity vulnerability. It was published on January 26, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2017-12377?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-12377?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2017-12377?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12377 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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