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Vulnerability · Published Jul 20, 2020 · Assigned by cisco

CVE-2020-3481Clam AntiVirus (ClamAV) Software Null Pointer Dereference Vulnerability

High 7.5

In plain English

A high-severity null pointer dereference in ClamAV from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)3.2%top 11.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. An attacker could exploit this vulnerability by sending a crafted EGG 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20clamav0.102.4-r0ALPINE-CVE-2020-3481
Alpine:v3.21clamav0.102.4-r0ALPINE-CVE-2020-3481
Alpine:v3.22clamav0.102.4-r0ALPINE-CVE-2020-3481
Alpine:v3.23clamav0.102.4-r0ALPINE-CVE-2020-3481
Alpine:v3.24clamav0.102.4-r0ALPINE-CVE-2020-3481
Debian:12clamav0.102.4+dfsg-1DEBIAN-CVE-2020-3481
Debian:13clamav0.102.4+dfsg-1DEBIAN-CVE-2020-3481
Debian:14clamav0.102.4+dfsg-1DEBIAN-CVE-2020-3481

Affected products (as reported)

VendorProductVersions
Cisco ClamAV unspecified – before 0.102.4

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References