Advisory Details

July 20th, 2016

Schneider Electric SoMachine HVAC AxEditGrid ActiveX Control SetDataIntf Remote Code Execution Vulnerability

CVE ID	CVE-2016-4529
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Schneider Electric
AFFECTED PRODUCTS	SoMachine HVAC
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Schneider Electric SoMachine HVAC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the SetDataIntf method of the AxEditGrid control. The control has an untrusted pointer dereference vulnerability because it blindly calls an attacker-supplied memory address. A remote attacker can leverage this vulnerability to execute arbitrary code under the context of the process.
ADDITIONAL DETAILS	Schneider Electric has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-16-196-03
DISCLOSURE TIMELINE	2016-02-18 - Vulnerability reported to vendor 2016-07-20 - Coordinated public release of advisory
CREDIT	rgod

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