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Zero Day Initiative AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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CWE
Zero Day Initiative CWE-476
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Description
Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability.
The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.
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Reference
Zero Day Initiative https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt [No types assigned]
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Reference
Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-776/ [No types assigned]