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CVE-2018-15378

5.5 · MEDIUM

A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition.

Published Oct 15, 2018CWE-125EPSS 1.31%

Overview

CVE-2018-15378 is a medium-severity vulnerability. It was published on October 15, 2018 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the "unmew11()" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file.

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

Refbugzilla.clamav.net/show_bug.cgi?id=12170Reflists.debian.org/debian-lts-announce/2018/10/msg00014.htmlRefsecuniaresearch.flexerasoftware.com/advisories/83000/Refsecurity.gentoo.org/glsa/201904-12Refusn.ubuntu.com/3789-1/Refusn.ubuntu.com/3789-2/Refwww.flexera.com/company/secunia-research/advisories/SR-2018-23.htmlRefbugzilla.clamav.net/show_bug.cgi?id=12170Reflists.debian.org/debian-lts-announce/2018/10/msg00014.htmlRefsecuniaresearch.flexerasoftware.com/advisories/83000/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-15378?

CVE-2018-15378 is a medium-severity vulnerability. It was published on October 15, 2018 and has a CVSS 3.0 base score of 5.5 (MEDIUM).

How severe is CVE-2018-15378?

This vulnerability has a CVSS 3.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-15378?

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-2018-15378?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-15378 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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