ID

VAR-202205-0215

CVE

CVE-2022-20796

TITLE

Clam AntiVirus  In  NULL  Pointer dereference vulnerability

DESCRIPTION

On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authenticated, local attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. Clam AntiVirus (ClamAV) for, NULL There is a vulnerability in pointer dereference.Service operation interruption (DoS) It may be in a state. Clam AntiVirus is an open source antivirus engine for detecting Trojans, viruses, malware and other malicious threats. ========================================================================== Ubuntu Security Notice USN-5423-2 May 17, 2022 clamav vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: Several security issues were fixed in ClamAV. Software Description: - clamav: Anti-virus utility for Unix Details: USN-5423-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. (CVE-2022-20770) Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. (CVE-2022-20771) Michał Dardas discovered that ClamAV incorrectly handled parsing HTML files. A remote attacker could possibly use this issue to cause ClamAV to consume resources, resulting in a denial of service. (CVE-2022-20785) Michał Dardas discovered that ClamAV incorrectly handled loading the signature database. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-20792) Alexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly handled the scan verdict cache check. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code.(CVE-2022-20796) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: clamav 0.103.6+dfsg-0ubuntu0.16.04.1+esm1 Ubuntu 14.04 ESM: clamav 0.103.6+dfsg-0ubuntu0.14.04.1+esm1 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5423-2 https://ubuntu.com/security/notices/USN-5423-1 CVE-2022-20770, CVE-2022-20771, CVE-2022-20785, CVE-2022-20792, CVE-2022-20796 . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202310-01 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: ClamAV: Multiple Vulnerabilities Date: October 01, 2023 Bugs: #831083, #842813, #894672 ID: 202310-01 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been discovered in ClamAV, the worst of which could result in remote code execution. Background ========== ClamAV is a GPL virus scanner. Affected packages ================= Package Vulnerable Unaffected -------------------- ------------ ------------ app-antivirus/clamav < 0.103.7 >= 0.103.7 Description =========== Multiple vulnerabilities have been discovered in ClamAV. Please review the CVE identifiers referenced below for details. Impact ====== Please review the referenced CVE identifiers for details. Workaround ========== There is no known workaround at this time. Resolution ========== All ClamAV users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.103.7" References ========== [ 1 ] CVE-2022-20698 https://nvd.nist.gov/vuln/detail/CVE-2022-20698 [ 2 ] CVE-2022-20770 https://nvd.nist.gov/vuln/detail/CVE-2022-20770 [ 3 ] CVE-2022-20771 https://nvd.nist.gov/vuln/detail/CVE-2022-20771 [ 4 ] CVE-2022-20785 https://nvd.nist.gov/vuln/detail/CVE-2022-20785 [ 5 ] CVE-2022-20792 https://nvd.nist.gov/vuln/detail/CVE-2022-20792 [ 6 ] CVE-2022-20796 https://nvd.nist.gov/vuln/detail/CVE-2022-20796 [ 7 ] CVE-2022-20803 https://nvd.nist.gov/vuln/detail/CVE-2022-20803 [ 8 ] CVE-2023-20032 https://nvd.nist.gov/vuln/detail/CVE-2023-20032 [ 9 ] CVE-2023-20052 https://nvd.nist.gov/vuln/detail/CVE-2023-20052 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202310-01 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2023 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

code problem

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Ubuntu

SOURCES

LAST UPDATE DATE

2024-08-14T14:02:40.395000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE