Multiple vulnerabilities in ClamAV

Published: 2024-02-07 | Updated: 2024-02-08

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-20328 CVE-2024-20290
CWE-ID	CWE-78 CWE-122
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	ClamAV Client/Desktop applications / Antivirus software/Personal firewalls
Vendor	ClamAV

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) OS Command Injection

EUVDB-ID: #VU86229

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-20328

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the "VirusEvent" feature. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ClamAV: 1.0.0 - 1.2.1

CPE2.3

External links

https://blog.clamav.net/2023/11/clamav-130-122-105-released.html
https://github.com/Cisco-Talos/clamav-devel/releases/tag/clamav-1.0.5
https://github.com/Cisco-Talos/clamav-devel/releases/tag/clamav-1.2.2

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?

No. We are not aware of malware exploiting this vulnerability.

2) Heap-based buffer overflow

EUVDB-ID: #VU86262

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-20290

CWE-ID: CWE-122 - Heap-based Buffer Overflow