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CVE-2020-3123

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 202003-46
Posted Mar 19, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202003-46 - Multiple vulnerabilities have been found in ClamAV, the worst of which could result in a Denial of Service condition. Versions less than 0.102.2 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2019-15961, CVE-2020-3123
MD5 | 5ae170548888493ed7b9d5ac2e56febd
Ubuntu Security Notice USN-4280-2
Posted Feb 19, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4280-2 - USN-4280-1 fixed a vulnerability in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that ClamAV incorrectly handled memory when the Data-Loss-Prevention feature was enabled. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-3123
MD5 | cd3df949c2f6942a2b3fd6acb0aff4db
Ubuntu Security Notice USN-4280-1
Posted Feb 18, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4280-1 - It was discovered that ClamAV incorrectly handled memory when the Data-Loss-Prevention feature was enabled. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-3123
MD5 | fe1639af8b1530586f06fdcd1a1575d5
Clam AntiVirus Toolkit 0.102.2
Posted Feb 5, 2020
Authored by Tomasz Kojm | Site clamav.net

Clam AntiVirus is an anti-virus toolkit for Unix. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a command-line scanner, and a tool for automatic updating via Internet. The programs are based on a shared library distributed with the Clam AntiVirus package, which you can use in your own software.

Changes: A denial of service vulnerability has been addressed. Significantly improved scan speed of PDF files on Windows. Various other updates and improvements.
tags | tool, virus
systems | unix
advisories | CVE-2020-3123
MD5 | ecf5dd2c5c43aeed1c4b458b2e689847
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