CVE-2023-32174: uagateway Use-After-Free (CVSS 9.1)

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.

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
unified-automation	uagateway	< 1.5.14.495

References

Other References

https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt https://www.zerodayinitiative.com/advisories/ZDI-23-780/ https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt https://www.zerodayinitiative.com/advisories/ZDI-23-780/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2023-32174? +

CVE-2023-32174 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-32174? +

CVE-2023-32174 affects products from unified-automation, specifically: uagateway. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-32174? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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