A vulnerability was found in Schneider Electric SoMachine HVAC and EcoStruxure Machine Expert up to 1.4.0/2.1.0 (SCADA Software). It has been rated as critical. Affected by this issue is an unknown functionality of the component Web Page Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A CWE-787: Out-of-bounds Write vulnerability exists that could cause sensitive information leakage when accessing a malicious web page from the commissioning software. Affected Products: SoMachine HVAC(V2.1.0 and prior), EcoStruxure Machine Expert – HVAC(V1.4.0 and prior).

The weakness was disclosed 01/30/2023 as SEVD-2023-010-01. The advisory is shared for download at download.schneider-electric.com. This vulnerability is handled as CVE-2022-2988 since 08/25/2022. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/25/2023).

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

Productinfo

Type

• SCADA Software

Vendor

• Schneider Electric

Name

• EcoStruxure Machine Expert
• SoMachine HVAC

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 2.0
• 2.1

License

• commercial

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CPE 2.2info

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