CVE-2020-3123

Description

A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email 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.

How to fix CVE-2020-3123

To remediate CVE-2020-3123, upgrade the affected package to a fixed version below.

• —upgrade to 0.102.1-r0 or later
• —upgrade to 0.102.2+dfsg-1 or later

Is CVE-2020-3123 being exploited?

Low — EPSS is 2.6%, meaning exploitation activity has not been observed at scale.

Affected packages (2)

• from 0, < 0.102.1-r0
• from 0, < 0.102.2+dfsg-1

CVSS scores

References (2)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2020-3123
• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2020-3123