high
7.5
CWE
476
Advisory Published
Updated

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

First published: Mon Jul 20 2020(Updated: )

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.

Credit: ykramarz@cisco.com psirt@cisco.com

Affected SoftwareAffected VersionHow to fix
debian/clamav
0.103.10+dfsg-0+deb11u1
1.0.7+dfsg-1~deb11u2
1.0.7+dfsg-1~deb12u1
1.4.2+dfsg-1
ClamAV>=0.102.0<=0.102.3
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=20.04
Debian=9.0
Fedora=31
Fedora=32

Remedy

Upgrade to ClamAV version 0.102.4

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-3481?

    CVE-2020-3481 is a vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3.

  • How does CVE-2020-3481 impact the affected devices?

    CVE-2020-3481 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.

  • What is the severity of CVE-2020-3481?

    CVE-2020-3481 has a severity value of 7.5 (High).

  • How can I fix the CVE-2020-3481 vulnerability on my device?

    To fix the CVE-2020-3481 vulnerability, update the Clam AntiVirus (ClamAV) Software to versions 0.103.6+dfsg-0+deb10u1, 0.103.9+dfsg-0+deb10u1, 0.103.10+dfsg-0+deb11u1, 1.0.3+dfsg-1~deb12u1, or 1.0.3+dfsg-2.

  • Where can I find more information about CVE-2020-3481?

    You can find more information about CVE-2020-3481 at the following references: [CVE-2020-3481](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3481), [ClamAV Blog](https://blog.clamav.net/2020/07/clamav-01024-security-patch-released.html), [Ubuntu Security Notice USN-4435-1](https://ubuntu.com/security/notices/USN-4435-1).

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