Summaryinfo

A vulnerability was found in Rockwell Automation FactoryTalk System Services. It has been declared as problematic. Affected by this issue is some unknown functionality of the component Feedback Handler. Executing a manipulation can lead to origin validation. This vulnerability is handled as CVE-2023-2639. The attack can be executed remotely. There is not any exploit available. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability was found in Rockwell Automation FactoryTalk System Services (Automation Software) (version now known). It has been declared as problematic. This vulnerability affects some unknown processing of the component Feedback Handler. The manipulation with an unknown input leads to a origin validation vulnerability. The CWE definition for the vulnerability is CWE-346. The product does not properly verify that the source of data or communication is valid. As an impact it is known to affect confidentiality. CVE summarizes:

The underlying feedback mechanism of Rockwell Automation's FactoryTalk System Services that transfers the FactoryTalk Policy Manager rules to relevant devices on the network does not verify that the origin of the communication is from a legitimate local client device.  This may allow a threat actor to craft a malicious website that, when visited, will send a malicious script that can connect to the local WebSocket endpoint and wait for events as if it was a valid client device. If successfully exploited, this would allow a threat actor to receive information including whether FactoryTalk Policy Manager is installed and potentially the entire security policy. 

The weakness was released 06/14/2023. The advisory is shared for download at rockwellautomation.custhelp.com. This vulnerability was named CVE-2023-2639 since 05/10/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Automation Software

Vendor

• Rockwell Automation

Name

• FactoryTalk System Services

License

• commercial

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