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             AUSCERT External Security Bulletin Redistribution

          Trend Micro Smart Protection Server wcs_bwlists_handler
           Command Injection Remote Code Execution Vulnerability
                               6 April 2017


        AusCERT Security Bulletin Summary

Product:           Trend Micro Smart Protection Server
Publisher:         Zero Day Initiative
Operating System:  Linux variants
Impact/Access:     Root Compromise -- Existing Account
Resolution:        Patch/Upgrade

Original Bulletin: 

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Trend Micro Smart Protection Server wcs_bwlists_handler Command Injection
Remote Code Execution Vulnerability

ZDI-17-243: April 5th, 2017

CVSS Score

    8.5, (AV:N/AC:M/Au:S/C:C/I:C/A:C)

Affected Vendors

    Trend Micro

Affected Products

    Smart Protection Server

TippingPoint IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by
Digital Vaccine protection filter ID 26771. 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 Smart Protection
Server. Authentication is required to exploit this vulnerability.

The specific flaw exists within wcs_bwlists_handler.php. The issue results
from the lack of proper validation of 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 root.

Vendor Response

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


Disclosure Timeline

    2017-01-10 - Vulnerability reported to vendor
    2017-04-05 - Coordinated public release of advisory


This vulnerability was discovered by:

    Steven Seeley of Source Incite

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