TippingPoint Zero Day Initiative

Trend Micro OfficeScan Proxy Command Injection Remote Code Execution Vulnerability

ZDI-17-521: August 2nd, 2017


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 28006. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro OfficeScan. Authentication is required to exploit this vulnerability.

The specific flaw exists within the Web Console, which listens on TCP port 4343 by default. When parsing the T parameter in Proxy.php, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current service.

Vendor Response

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

Disclosure Timeline

    2017-03-01 - Vulnerability reported to vendor
    2017-08-02 - Coordinated public release of advisory


This vulnerability was discovered by:
    Steven Seeley of Source Incite