Advisory Details

March 29th, 2017

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

ZDI-17-199
ZDI-CAN-4311

CVE ID
CVSS SCORE 4, (AV:N/AC:L/Au:S/C:N/I:N/A:P)
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS InterScan Web Security Virtual Appliance
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 26633. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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.

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
  • 2016-12-20 - Vulnerability reported to vendor
  • 2017-03-29 - Coordinated public release of advisory
CREDIT Steven Seeley of Source Incite
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