Advisory Details

November 20th, 2015

Tibbo AggreGate SCADA/HMI Server Service uploadDirectory Remote Code Execution Vulnerability

CVE ID	CVE-2015-7912
CVSS SCORE	9.3, AV:N/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Tibbo
AFFECTED PRODUCTS	AggreGate SCADA/HMI
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Tibbo AggreGate SCADA/HMI. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Windows service "AggreGate Server Service" (ag_server_service.exe). Through the "Ice Faces" servlet it is possible to upload arbitrary Java code inside an accessible web path, due to functionality which allows importation of application properties through uploaded xml files. An attacker can leverage this vulnerability to execute code under the context of SYSTEM.
ADDITIONAL DETAILS	Tibbo has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-15-323-01
DISCLOSURE TIMELINE	2015-08-24 - Vulnerability reported to vendor 2015-11-20 - Coordinated public release of advisory
CREDIT	Andrea Micalizzi (rgod)

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