Caucho Resin Web server URL encoded backslash directory traversal

resin-webserver-directory-traversal (26478) The risk level is classified as MediumMedium Risk

Description:

Caucho Resin could allow a remote attacker to traverse directories on the default Web server running on port 8080. An attacker could send a specially-crafted URL request containing a URL encoded backslash (%5C) to traverse directories and view any file on the system.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of Caucho Resin (3.0.19 or later), available from the Caucho Technology Web site. See References.

References:

  • Cacho Technology Web site: Download.
  • Rapid7 Security Advisory R7-0024: Caucho Resin Windows Directory Traversal Vulnerability.
  • BID-18005: Caucho Resin Remote Directory Traversal Vulnerability
  • CVE-2006-1953: Directory traversal vulnerability in Caucho Resin 3.0.17 and 3.0.18 for Windows allows remote attackers to read arbitrary files via a C:%5C (encoded drive letter) in a URL.
  • OSVDB ID: 25570: Caucho Resin Encoded Path Request Arbitrary File Access
  • SA20125: Caucho Resin Two Disclosure of Sensitive Information Vulnerabilities
  • SECTRACK ID: 1016109: Resin Input Validation Flaw in the Built-in Web Server Lets Remote Users Traverse the Directory By Specifying an Absolute Path
  • VUPEN/ADV-2006-1831: Caucho Resin Server Directory Traversal and Information Disclosure Vulnerabilities

Platforms Affected:

  • Caucho Resin 3.0.17
  • Caucho Resin 3.0.18

Reported:

May 16, 2006

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