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

What is CVE-2020-3481?

CVE-2020-3481 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 20 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-476

Which versions are affected by CVE-2020-3481?

It affects 4 products.

Products include Canonical Ubuntu Linux, Clamav Clamav, Debian Debian Linux, Fedoraproject Fedora.

How do I fix CVE-2020-3481?

Upgrade to a fixed version.

Is CVE-2020-3481 being exploited?

There is no known exploitation of CVE-2020-3481 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-3481, CLEANSTART-2026-TN60432, DEBIAN-CVE-2020-3481, GHSA-q62q-9vgf-p9j3, UBUNTU-CVE-2020-3481.