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CVE-2020-3481

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-4435-2
Posted Jul 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4435-2 - USN-4435-1 fixed several vulnerabilities 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 parsing ARJ archives. 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, vulnerability
systems | linux, ubuntu
advisories | CVE-2020-3327, CVE-2020-3350, CVE-2020-3481
MD5 | ecad992db1cb661edf6172acce2ff41a
Ubuntu Security Notice USN-4435-1
Posted Jul 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4435-1 - It was discovered that ClamAV incorrectly handled parsing ARJ archives. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. It was discovered that ClamAV incorrectly handled scanning malicious files. A local attacker could possibly use this issue to delete arbitrary files. It was discovered that ClamAV incorrectly handled parsing EGG archives. 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, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2020-3327, CVE-2020-3350, CVE-2020-3481
MD5 | 0f0f4ee751fa9887b20132649f16c61f
Clam AntiVirus Toolkit 0.102.4
Posted Jul 16, 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: Multiple security issues have been addressed that include symlink and denial of service attacks.
tags | virus
systems | unix
advisories | CVE-2020-3327, CVE-2020-3350, CVE-2020-3481
MD5 | db5cbe2f1cfccabfc7f0c1a58bc649ab
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