high
7.5
CWE
119 20
Advisory Published
Updated

CVE-2020-3327: ClamAV ARJ Archive Parsing Denial of Service Vulnerability

First published: Wed May 13 2020(Updated: )

A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ 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 ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Clam Antivirus<=0.102.2
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Canonical Ubuntu Linux=20.04
debian/clamav
0.103.10+dfsg-0+deb11u1
1.0.7+dfsg-1~deb11u2
1.0.7+dfsg-1~deb12u1
1.4.1+dfsg-1

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-3327?

    CVE-2020-3327 is a vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2.

  • How does CVE-2020-3327 affect Clam AntiVirus (ClamAV)?

    CVE-2020-3327 allows an unauthenticated, remote attacker to cause a denial of service condition on an affected device.

  • What is the severity of CVE-2020-3327?

    CVE-2020-3327 has a severity rating of 7.5 (high).

  • How can I fix CVE-2020-3327?

    To fix CVE-2020-3327, update ClamAV to version 0.103.6+dfsg-0+deb10u1 or a later version.

  • Where can I find more information about CVE-2020-3327?

    You can find more information about CVE-2020-3327 on the MITRE CVE website and the ClamAV blog.

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