Ubuntu update for clamav

Published: 2024-01-26

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-30333 CVE-2023-40477
CWE-ID	CWE-22 CWE-129
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild.
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system clamav (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal

EUVDB-ID: #VU62908

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-30333

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences when extracting files from archive. A remote attacker can create a specially crafted archive and overwrite arbitrary files on the system with privileges of the current user.

The vulnerability affects Linux and UNIX systems.

Mitigation

Update the affected package clamav to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 23.10

clamav (Ubuntu package): before 1.0.4+dfsg-0ubuntu0.23.10.1

External links

http://ubuntu.com/security/notices/USN-6568-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

2) Improper Validation of Array Index

EUVDB-ID: #VU79711

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40477

CWE-ID: CWE-129 - Improper Validation of Array Index

Exploit availability: No