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CVE-2022-37012

Published: Mar 29, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-911
7.5HIGH
NVD MITRE
EPSS Score
1.8%
Top 23.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-911

Affected Products

unified-automation
commercialaka .net based opc ua client/server sdk, opc ua c\+\+ demo server, opc ua c++ demo server
opc ua c\+\+ demo serverLibrary
OSS Libraries / generic-library
Unified Automation
commercialaka unifiedautomation.com, unified automation uagateway
OPC UA C++ Demo ServerOn-prem
ICS / OT / IoT / industrial-network

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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References

https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt
documentation.unified-automation.com
https://www.zerodayinitiative.com/advisories/ZDI-22-1030/
zerodayinitiative.com

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