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Rapid7 Advisory R7-0024: Caucho Resin Windows Directory Traversal Vulnerability

CVE: CVE-2006-1953


May 16, 2006 - The Caucho Resin web application server for Windows contains a directory traversal vulnerability that allows remote unauthenticated users to download any file from the system. It is possible to download files from any drive on the system.

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Affected system(s):


  • Caucho Resin v3.0.18 for Windows
  • Caucho Resin v3.0.17 for Windows


  • Caucho Resin v3.0.19
  • Caucho Resin v3.0.16 and earlier

Vendor Info

Caucho Technology, Inc.

Caucho was notified of this vulnerability on April 20th, 2006. They fixed this vulnerability in the latest unofficial snapshot of Resin 3.0.19, available from Caucho's Web site.

Detailed Analysis

Caucho Resin is a servlet and JSP server. Resin ships with its own standalone web server which runs by default on port 8080. Any remote user can request URLs of the form:


to access the root of the C: drive (and any files below it). Any drive letter can be specified. Only Resin on Windows is vulnerable.

This vulnerability appears to have been introduced in Resin version 3.0.17, although this has not been confirmed by the vendor.

Credit: Discovered by Chad Loder of Rapid7.


Upgrade to the latest snapshot version of Resin, version 3.0.19.

Disclaimer & Copyright

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This advisory Copyright (C) 2006 Rapid7, LLC. Permission is hereby granted to redistribute this advisory, providing that no changes are made and that the copyright notices and disclaimers remain intact.