CVE-2020-3327

ClamAV ARJ Archive Parsing Denial of Service Vulnerability

Description

A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 12.71% Top 10%
Vendor Advisory clamav.net Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org
Affected: Cisco ClamAV
Published at:
Updated at:

References

Link Tags
https://blog.clamav.net/2020/05/clamav-01023-security-patch-released.html vendor advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00018.html third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L5YWYT27SBTV4RZSGFHIQUI4LQVFASWS/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROBJOGJOT44MVDX7RQEACYHQN4LYW5RK/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BMTC7I5LGY4FCIZLHPNC4WWC6VNLFER/ vendor advisory
https://usn.ubuntu.com/4370-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4370-2/ third party advisory vendor advisory
https://security.gentoo.org/glsa/202007-23 third party advisory vendor advisory
https://usn.ubuntu.com/4435-1/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QM7EXJHDEZJLWM2NKH6TCDXOBP5NNYIN/ vendor advisory
https://usn.ubuntu.com/4435-2/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJ67VH37NCG25PICGWFWZHSVG7PBT7MC/ vendor advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00010.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-3327?
CVE-2020-3327 has been scored as a high severity vulnerability.
How to fix CVE-2020-3327?
To fix CVE-2020-3327, 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-2020-3327 being actively exploited in the wild?
It is possible that CVE-2020-3327 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~13% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3327?
CVE-2020-3327 affects Cisco ClamAV.
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