CVE-2023-41185 HIGH

CVE-2023-41185: Unified Automation UaGateway Certificate Parsing Integer Overflow Denial-of-Service Vulnerability

Vendor Unified Automation
Product UaGateway
Weakness CWE-190
Published May 3, 2024
Last update August 2, 2024

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

Unified Automation UaGateway Certificate Parsing Integer Overflow Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of client certificates. When parsing the certificate length field, the process does not properly validate user-supplied data, which can result in an integer overflow. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20353.

Key dates

02Disclosure timeline

May 3, 2024 CVE published
August 2, 2024 Record updated