ClamAV up to 1.0.4/1.1/1.2.1 OLE2 File Parser heap-based overflow

Summaryinfo

A vulnerability classified as critical was found in ClamAV up to 1.0.4/1.1/1.2.1. This vulnerability affects unknown code of the component OLE2 File Parser. Such manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2024-20290. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ClamAV up to 1.0.4/1.1/1.2.1 (Anti-Malware Software). Affected by this issue is an unknown function of the component OLE2 File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is availability. CVE summarizes:

A vulnerability in the OLE2 file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an incorrect check for end-of-string values during scanning, which may result in a heap buffer over-read. An attacker could exploit this vulnerability by submitting a crafted file containing OLE2 content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software and consuming available system resources. For a description of this vulnerability, see the ClamAV blog .

The weakness was published 02/07/2024. The advisory is available at blog.clamav.net. This vulnerability is handled as CVE-2024-20290 since 11/08/2023. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 1.0.5 or 1.2.2 eliminates this vulnerability.

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Productinfo

Type

• Anti-Malware Software

Name

• ClamAV

Version

• 1.0
• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.1
• 1.2.0
• 1.2.1

License

• free

CPE 2.3info

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CPE 2.2info

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• 🔍
• 🔍

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