Schneider Electric EcoStruxure Foxboro DCS Core Control Services up to 9.8 Kernel Memory Foxboro.sys out-of-bounds write

Summaryinfo

A vulnerability described as critical has been identified in Schneider Electric EcoStruxure Foxboro DCS Core Control Services up to 9.8. Affected by this vulnerability is an unknown functionality in the library Foxboro.sys of the component Kernel Memory Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability is registered as CVE-2024-5679. The attack needs to be launched locally. No exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Schneider Electric EcoStruxure Foxboro DCS Core Control Services up to 9.8. It has been declared as critical. This vulnerability affects an unknown code block in the library Foxboro.sys of the component Kernel Memory Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

CWE-787: Out-of-Bounds Write vulnerability exists that could cause local denial-of-service, or kernel memory leak when a malicious actor with local user access crafts a script/program using an IOCTL call in the Foxboro.sys driver.

The advisory is available at download.schneider-electric.com. This vulnerability was named CVE-2024-5679 since 06/06/2024. The exploitation appears to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• EcoStruxure Foxboro DCS Core Control Services

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4
• 9.5
• 9.6
• 9.7
• 9.8

License

• commercial

Website

• Vendor: https://www.schneider-electric.com/

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