Trend Micro InterScan Web Security Virtual Appliance ConfigIPNetwork saveNetworkConfiguration gateChanged Command Injection Remote Code Execution Vulnerability

March 30th, 2017
ZDI-17-222 ZDI-CAN-4298

CVE ID

CVSS Score

9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected Vendors

Trend Micro

Affected Products

InterScan Web Security Virtual Appliance

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro InterScan Web Security Virtual Appliance. Authentication is required to exploit this vulnerability.

The specific flaw exists within ConfigIPNetwork's saveNetworkConfiguration method. A crafted gateway parameter can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute arbitrary code under the context of root.

Additional Details

Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/solution/1116960

Disclosure Timeline

  • 2016-12-21 - Vulnerability reported to vendor
  • 2017-03-30 - Coordinated public release of advisory

Credit

Steven Seeley of Source Incite

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