CVE-2023-20052

Publication date 17 February 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
clamav	23.04 lunar	Fixed 0.103.8+dfsg-0ubuntu1
	22.10 kinetic	Fixed 0.103.8+dfsg-0ubuntu0.22.10.1
	22.04 LTS jammy	Fixed 0.103.8+dfsg-0ubuntu0.22.04.1
	20.04 LTS focal	Fixed 0.103.8+dfsg-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 0.103.8+dfsg-0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 0.103.8+dfsg-0ubuntu0.16.04.1+esm1 Ubuntu Pro
	14.04 LTS trusty	Fixed 0.103.8+dfsg-0ubuntu0.14.04.1+esm1 Ubuntu Pro

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Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-5887-1
ClamAV vulnerabilities
27 February 2023