TippingPoint Zero Day Initiative

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

ZDI-15-571: November 20th, 2015


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 20813. For further product information on the TippingPoint IPS:

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.

Vendor Response

Tibbo has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2015-08-24 - Vulnerability reported to vendor
    2015-11-20 - Coordinated public release of advisory


This vulnerability was discovered by:
    Andrea Micalizzi (rgod)