Vulnerability Details : CVE-2023-32174
Unified Automation UaGateway NodeManagerOpcUa Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability when the product is in its default configuration.
The specific flaw exists within the handling of NodeManagerOpcUa objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
. Was ZDI-CAN-20577.
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2023-32174
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Exploit prediction scoring system (EPSS) score for CVE-2023-32174
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-32174
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.1
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
2.3
|
6.0
|
Zero Day Initiative | 2024-05-03 |
CWE ids for CVE-2023-32174
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The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-32174
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https://www.zerodayinitiative.com/advisories/ZDI-23-780/
ZDI-23-780 | Zero Day Initiative
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https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt
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