CVE-2023-32174 Unified Automation UaGateway NodeManagerOpcUa Use-After-Free Remote Code Execution Vulnerability
Remote attackers with authentication can execute arbitrary code as SYSTEM via a use-after-free flaw in UaGateway.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-32174?
CVE-2023-32174 is a critical use after free vulnerability in Unified Automation UaGateway, published on 3 May 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-416
Which versions are affected by CVE-2023-32174?
It affects 1 product.
Products include Unified-Automation Uagateway.
How do I fix CVE-2023-32174?
No fix has been published for CVE-2023-32174 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-32174 being exploited?
There is no known exploitation of CVE-2023-32174 in the wild and no public exploit code.
Other vulnerabilities in Unified Automation UaGateway
- CVE-2023-41185 Unified Automation UaGateway Certificate Parsing Integer Overflow Denial-of-Service Vulnerability
- CVE-2023-32170 Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability
- CVE-2023-32171 Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability
- CVE-2023-32172 Unified Automation UaGateway OPC UA Server Use-After-Free Denial-of-Service Vulnerability
- CVE-2023-32173 Unified Automation UaGateway AddServer XML Injection Denial-of-Service Vulnerability
Sources
Also known as GHSA-frf6-mj64-p4rr.