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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-37012 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink 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 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-911 Improper Update of Reference Count Zero Day Initiative  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-37012
NVD Published Date:
03/29/2023
NVD Last Modified:
04/06/2023
Source:
Zero Day Initiative