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CVE-2020-3123

Published: 5 February 2020

A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email 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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
clamav
Launchpad, Ubuntu, Debian
bionic
Released (0.102.2+dfsg-0ubuntu0.18.04.1)
eoan
Released (0.102.2+dfsg-0ubuntu0.19.10.1)
trusty
Released (0.102.2+dfsg-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (0.102.2)
xenial
Released (0.102.2+dfsg-0ubuntu0.16.04.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H