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CVE-2023-20032

Publication date 17 February 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the HFS+ partition 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 execute arbitrary code. This vulnerability is due to a missing buffer size check that may result in a heap buffer overflow write. An attacker could exploit this vulnerability by submitting a crafted HFS+ partition file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the ClamAV scanning process, or else crash the process, resulting in a denial of service (DoS) condition. For a description of this vulnerability, see the ClamAV blog ["https://blog.clamav.net/"].

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 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5887-1
    • ClamAV vulnerabilities
    • 27 February 2023

Other references