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.
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)
|
History
06 Apr 2023, 14:32
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Unified-automation
Unified-automation opc Ua C\+\+ Demo Server |
|
| CPE | cpe:2.3:a:unified-automation:opc_ua_c\+\+_demo_server:1.7.6.537:*:*:*:*:*:*:* | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.5 |
| References | (MISC) https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt - Release Notes | |
| References | (MISC) https://www.zerodayinitiative.com/advisories/ZDI-22-1030/ - Third Party Advisory, VDB Entry |
29 Mar 2023, 19:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2023-03-29 19:15
Updated : 2023-12-10 15:01
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