Advisory Details

March 29th, 2017

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

CVE ID
CVSS SCORE	4.0, 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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