Trend Micro InterScan Web Security Virtual Appliance VerboseLog Directory Traversal Information Disclosure Vulnerability

March 29th, 2017
ZDI-17-211 ZDI-CAN-4260

CVE ID

CVSS Score

4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected Vendors

Trend Micro

Affected Products

InterScan Web Security Virtual Appliance

Vulnerability Details


This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Trend Micro InterScan Web Security Virtual Appliance. Authentication is required to exploit this vulnerability.

The specific flaw exists within processing of the VerboseLog servlet. 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 disclose sensitive information under the context of root.

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

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

Credit

Steven Seeley of Source Incite

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