CVE-2022-20803

A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to incorrect use of the realloc function that may result in a double-free. An attacker could exploit this vulnerability by submitting a crafted OLE2 file to be scanned by ClamAV on the affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html	Release Notes
https://security.gentoo.org/glsa/202310-01
https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html	Release Notes
https://security.gentoo.org/glsa/202310-01

Configurations

Configuration 1 (hide)

cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:43

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~7.5~~	v2 : unknown v3 : 8.6
References	~~() https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html - Release Notes~~	() https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html - Release Notes
References	~~() https://security.gentoo.org/glsa/202310-01 -~~	() https://security.gentoo.org/glsa/202310-01 -

01 Oct 2023, 11:15

Type	Values Removed	Values Added
References		(GENTOO) https://security.gentoo.org/glsa/202310-01 -

Information

Published : 2023-02-17 18:15

Updated : 2024-11-21 06:43

NVD link : CVE-2022-20803

Mitre link : CVE-2022-20803

CVE.ORG link : CVE-2022-20803

JSON object : View

Products Affected

clamav

clamav

CWE

CWE-415

Double Free

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