CVE-2020-3327 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://blog.clamav.net/2020/05/clamav-01023-security-patch-released.html https://lists.debian.org/debian-lts-announce/2020/05/msg00018.html https://lists.debian.org/debian-lts-announce/2020/08/msg00010.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3BMTC7I5LGY4FCIZLHPNC4WWC6VNLFER/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IJ67VH37NCG25PICGWFWZHSVG7PBT7MC/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L5YWYT27SBTV4RZSGFHIQUI4LQVFASWS/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QM7EXJHDEZJLWM2NKH6TCDXOBP5NNYIN/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ROBJOGJOT44MVDX7RQEACYHQN4LYW5RK/ https://security.gentoo.org/glsa/202007-23 https://usn.ubuntu.com/4370-1/ https://usn.ubuntu.com/4370-2/ https://usn.ubuntu.com/4435-1/ https://usn.ubuntu.com/4435-2/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5