TippingPoint Zero Day Initiative
 

Trend Micro InterScan Web Security Virtual Appliance LogDelete processRequest method Directory Traversal Denial of Service Vulnerability

ZDI-17-199: March 29th, 2017

CVSS Score

Affected Vendors

Affected Products

    InterScan Web Security Virtual Appliance

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 26633. For further product information on the TippingPoint IPS:

Vulnerability Details


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

The specific flaw exists within the LogDelete processRequest method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to deny service to users of the system.

Vendor Response

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

Disclosure Timeline

    2016-12-20 - Vulnerability reported to vendor
    2017-03-29 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Steven Seeley of Source Incite