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Home >> Browse Vulnerability Assessment Database >> CGI abuses >> ColdFusion Double-Encoded Null Byte Information Disclosure Vulnerability


Vulnerability Assessment Details

ColdFusion Double-Encoded Null Byte Information Disclosure Vulnerability

Vulnerability Assessment Summary
Tries to retrieve script source code using ColdFusion

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server is affected by an information disclosure
vulnerability.

Description :

The remote host is running Abobe Macromedia ColdFusion, a product for
developing and deploying web applications.

The version of ColdFusion installed on the remote host permits an
attacker to view the contents of files not interpreted by ColdFusion
itself and hosted on the affected system. The problem is due to the
fact that with ColdFusion, URL-encoded filenames are decoded first by
IIS and then again by ColdFusion. By passing in a filename followed
by a double-encoded null byte and an extension handled by ColdFusion,
such as '.cfm', a remote attacker can may be able to uncover sensitive
information, such as credentials and hostnames contained in scripts,
configuration files, etc.

See also :

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=466
http://archives.neohapsis.com/archives/fulldisclosure/2007-01/0199.html
http://www.adobe.com/support/security/bulletins/apsb07-02.html

Solution :

Upgrade to ColdFusion MX 7.0.1 if necessary and apply the appropriate
patch as described in the vendor advisory referenced above.

Network Security Threat Level:

Low / CVSS Base Score : 2.3
(AV:R/AC:L/Au:NR/C:P/I:N/A:N/B:N)

Networks Security ID: 21978

Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security

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