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CVE-2023-20052

Status Candidate

Overview

On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.

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-5887-1
Posted Feb 27, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5887-1 - Simon Scannell discovered that ClamAV incorrectly handled parsing HFS+ files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or execute arbitrary code. Simon Scannell discovered that ClamAV incorrectly handled parsing DMG files. A remote attacker could possibly use this issue to expose sensitive information.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-20032, CVE-2023-20052
SHA-256 | 30d0e5fa8fc60d8b3a9bade4aa193276d3da4ee86a87f963a16ee548f2905a89
Clam AntiVirus Toolkit 1.0.1
Posted Feb 15, 2023
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. This is the LTS source code release.

Changes: Fixed a possible remote code execution vulnerability in the HFS+ file parser. Issue affects versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier. Fixed a possible remote information leak vulnerability in the DMG file parser. Issue affects versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier. Fixed allmatch detection issue with the preclass bytecode hook. Updated vendored libmspack library to version 0.11alpha.
tags | tool, virus
systems | unix
advisories | CVE-2023-20032, CVE-2023-20052
SHA-256 | 0872dc1b82ff4cd7e8e4323faf5ee41a1f66ae80865d05429085b946355d86ee
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