CVE-2022-37012 (GCVE-0-2022-37012)
Vulnerability from cvelistv5
Published
2023-03-29 00:00
Modified
2025-02-18 19:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-911 - Improper Update of Reference Count
Summary
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
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Unified Automation | OPC UA C++ Demo Server |
Version: 1.7.6-537 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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