7.5
CVE-2022-37012
- EPSS 1.78%
- Veröffentlicht 29.03.2023 19:15:12
- Zuletzt bearbeitet 21.11.2024 07:14:16
- Quelle zdi-disclosures@trendmicro.com
- CVE-Watchlists
- Unerledigt
LoginThis 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Unified-automation ≫ Opc Ua C++ Demo Server Version1.7.6.537
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.78% | 0.754 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| zdi-disclosures@trendmicro.com | 7.5 | 3.9 | 3.6 |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
CWE-911 Improper Update of Reference Count
The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.
https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt
https://www.zerodayinitiative.com/advisories/ZDI-22-1030/