CVE-2022-37012

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt	Release Notes
https://www.zerodayinitiative.com/advisories/ZDI-22-1030/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:unified-automation:opc_ua_c\+\+_demo_server:1.7.6.537:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-03-29 19:15

Updated : 2024-02-28 20:13

NVD link : CVE-2022-37012

Mitre link : CVE-2022-37012

CVE.ORG link : CVE-2022-37012

JSON object : View

Products Affected

unified-automation

opc_ua_c\+\+_demo_server

CWE

CWE-911

Improper Update of Reference Count

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