CVE-2020-3123

high

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.

References

https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062

https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html

https://usn.ubuntu.com/4280-1/

https://usn.ubuntu.com/4280-2/

https://security.gentoo.org/glsa/202003-46

Details

Source: MITRE

Published: 2020-02-05

Updated: 2022-01-01

Type: CWE-125

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH