CVE-2018-15378: Clam AntiVirus unmew11() Denial of Service Vulnerability

Published Oct 15, 2018
·
Updated

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.

Affected Software

7 affected componentsFixes available
clamav clamav<0.100.2
Debian Debian Linux=8.0
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
debian/clamav
0.103.10+dfsg-0+deb11u11.4.3+dfsg-1~deb11u11.4.3+dfsg-1~deb12u21.4.3+dfsg-11.4.3+dfsg-2

Event History

Oct 15, 2018
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·10:52 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·05:09 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·05:10 PM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID for this ClamAV vulnerability?

The vulnerability ID for this ClamAV vulnerability is CVE-2018-15378.

2

What is the severity of CVE-2018-15378?

The severity of CVE-2018-15378 is medium with a CVSS score of 5.5.

3

How does CVE-2018-15378 affect ClamAV?

CVE-2018-15378 allows an attacker to cause a denial of service (DoS) condition in ClamAV versions prior to 0.100.2.

4

How can I fix CVE-2018-15378?

To fix CVE-2018-15378, update your ClamAV installation to version 0.100.2 or later.

5

Where can I find more information about CVE-2018-15378?

You can find more information about CVE-2018-15378 in the following references: [Bugzilla](https://bugzilla.clamav.net/show_bug.cgi?id=12170), [Secunia Research](https://secuniaresearch.flexerasoftware.com/advisories/83000/), [Ubuntu Security Notice](https://usn.ubuntu.com/3789-1/).

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