Out-of-bounds Read in Cisco Clamav

CVE-2020-3123

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.

Vulnerability class: Buffer Overflow

EPSS: 0.026 (84.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3123?
CVE-2020-3123 is a high-severity vulnerability in Cisco Clamav, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-02-05.
How severe is CVE-2020-3123?
High severity. CVSS v3 base score is 7.5 out of 10.