CVE-2023-20052

Publication date 17 February 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

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

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
14.04 LTS trusty

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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

Other references