SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-227375889] Schneider Electric SoMachine HVAC

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2017-05-16OtherSchneider ElectricIndependent researcher Zhou YU reported the buffer overflow vulnerability to ICS-CERT. Schneider Electric reported to ICS-CERT tN/ACVE-2017-7965 CVE-2017-7966 N/AN/AN/A

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# Schneider Electric SoMachine HVAC
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### VULNERABLE VENDOR
Schneider Electric


### VULNERABLE PRODUCT
SoMachine HVAC



### RESEARCHER
Independent researcher Zhou YU reported the buffer overflow vulnerability to ICS-CERT. Schneider Electric reported to ICS-CERT that security researcher Himanshu Mehta disclosed the DLL Hijack vulnerability to them.



### AFFECTED PRODUCTS

The following version of SoMachine HVAC, a PLC programming software, is affected:

SoMachine HVAC Versions 2.1.0 and prior.



### IMPACT

Successful exploitation of these vulnerabilities may allow arbitrary code execution and could cause the device that the attacker is accessing to crash due to a buffer overflow condition.



### VULNERABILITY OVERVIEW

STACK-BASED BUFFER OVERFLOW CWE-121
AlTracePrint.exe, installed by SoMachine HVAC v2.1.0 Programming Software, could be called in a way that could lead to a buffer overflow.
CVE-2017-7965 has been assigned to this vulnerability.
A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)


UNCONTROLLED SEARCH PATH ELEMENT CWE-427
Improper loading of a DLL file could allow an unauthenticated attacker the ability to execute arbitrary code on the target system.
CVE-2017-7966 has been assigned to this vulnerability.
A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)





### BACKGROUND

Critical Infrastructure Sectors: Critical Manufacturing, Dams, Defense Industrial Base, Energy, Food and Agriculture, Government Facilities, Nuclear Reactors, Materials, and Waste, Transportation Systems, Water and Wastewater Systems
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Paris, France




### MITIGATION

Schneider Electric recommends that users of SoMachine HVAC Programming Software update to SoMachine HVAC v2.2. Users of SoMachine HVAC can access the update at the following support web site:

http://www.schneider-electric.com/en/download/document/SoMachine HVAC - Programming Software for Modicon M171-M172 Logic Controllers



Schneider Electric's security notice SEVD-2017-125-01 is available at the following location:

http://www.schneider-electric.com/en/download/document/SEVD-2017-125-01/


Schneider Electric's security notice SEVD-2017-125-02 is available at the following location:

http://www.schneider-electric.com/en/download/document/SEVD-2017-125-02/