Trend Micro InterScan Web Security Virtual Appliance LogDelete processRequest method Directory Traversal Denial of Service VulnerabilityZDI-17-199: March 29th, 2017
InterScan Web Security Virtual Appliance
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 26633. For further product information on the TippingPoint IPS:
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 ResponseTrend Micro has issued an update to correct this vulnerability. More details can be found at:
2016-12-20 - Vulnerability reported to vendor
2017-03-29 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Steven Seeley of Source Incite