Denial of service in Cisco products using ClamAV

1) 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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the OLE2 file format parser. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ClamAV: 1.0.0 - 1.2.1

CPE2.3

• cpe:2.3:a:clamav:clamav_antivirus:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:clamav:clamav_antivirus:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:clamav:clamav_antivirus:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:clamav:clamav_antivirus:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:clamav:clamav_antivirus:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:clamav:clamav_antivirus:1.2.1:*:*:*:*:*:*:*

External links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-hDffu6t
https://github.com/Cisco-Talos/clamav-devel/releases/tag/clamav-1.0.5
https://blog.clamav.net/2023/11/clamav-130-122-105-released.html
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.