CVE-2018-15378

Clam AntiVirus unmew11() Denial of Service Vulnerability

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.80% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org
Affected: Cisco ClamAV
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2018/10/msg00014.html third party advisory mailing list
https://bugzilla.clamav.net/show_bug.cgi?id=12170 patch third party advisory issue tracking
https://secuniaresearch.flexerasoftware.com/advisories/83000/ third party advisory permissions required
https://usn.ubuntu.com/3789-2/ third party advisory vendor advisory
https://usn.ubuntu.com/3789-1/ third party advisory vendor advisory
https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html third party advisory
https://security.gentoo.org/glsa/201904-12 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-15378?
CVE-2018-15378 has been scored as a medium severity vulnerability.
How to fix CVE-2018-15378?
To fix CVE-2018-15378, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-15378 being actively exploited in the wild?
It is possible that CVE-2018-15378 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-15378?
CVE-2018-15378 affects Cisco ClamAV.
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