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CVE-2022-20698

Status Candidate

Overview

A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

Related Files

Gentoo Linux Security Advisory 202310-01
Posted Oct 2, 2023
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202310-1 - Multiple vulnerabilities have been discovered in ClamAV, the worst of which could result in remote code execution. Versions greater than or equal to 0.103.7 are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2022-20698, CVE-2022-20770, CVE-2022-20771, CVE-2022-20785, CVE-2022-20792, CVE-2022-20796, CVE-2022-20803, CVE-2023-20032, CVE-2023-20052
SHA-256 | ca1d69efc4a4e8857de6f7e66d60767c128e79bf7e3366220b15bc21ed14e66b
Ubuntu Security Notice USN-5233-2
Posted Jan 19, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5233-2 - USN-5233-1 fixed a vulnerability in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that ClamAV incorrectly handled memory when the CL_SCAN_GENERAL_COLLECT_METADATA scan option 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-2022-20698
SHA-256 | 8a4e6bd5262a081210485f76a46b89ea421de2fd31fa6998b00fd33f840768fa
Ubuntu Security Notice USN-5233-1
Posted Jan 18, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5233-1 - It was discovered that ClamAV incorrectly handled memory when the CL_SCAN_GENERAL_COLLECT_METADATA scan option 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-2022-20698
SHA-256 | 93aa639b20fa6e8a6a3a1d2ce2ea1f502c5d12d2a50ee4bd799306bfb813928e
Clam AntiVirus Toolkit 0.104.2
Posted Jan 13, 2022
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: Fixed invalid pointer read that may cause a crash. Fixed ability to disable the file size limit with libclamav. Increased the maximum line length for ClamAV config files from 512 bytes to 1024 bytes to allow for longer config option strings.
tags | tool, virus
systems | unix
advisories | CVE-2022-20698
SHA-256 | 3e45e46d9aaeb3a6956ed30376237ab7c4cd9573bc0f5d6fc15c588d30978d9d
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