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Date: Tue, 09 Jan 2007 20:25:18 -0500 From: iDefense Labs <labs-no-reply@...fense.com> To: vulnwatch@...nwatch.org, full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com Subject: iDefense Security Advisory 01.09.07: Adobe Macromedia ColdFusion Source Code Disclosure Vulnerability Adobe Macromedia ColdFusion Source Code Disclosure Vulnerability iDefense Security Advisory 01.09.07 http://labs.idefense.com/intelligence/vulnerabilities/ Jan 09, 2007 I. BACKGROUND Adobe Macromedia ColdFusion is an application server and development framework for websites. More information is available at the following URL. http://www.adobe.com/products/coldfusion/ II. DESCRIPTION Remote exploitation of an input validation vulnerability in Adobe Systems Inc.'s Macromedia ColdFusion MX 7 may allow an attacker to view file contents on the server. The vulnerability specifically exists in that URL encoded filenames will be decoded by the IIS process and then again by the ColdFusion process. By supplying a URL containing a double encoded null byte and an extension handled by ColdFusion, such as '.cfm', it is possible to view the contents of any file which is not interpreted by ColdFusion. III. ANALYSIS Successful exploitation would allow a remote attacker to view the contents of a file on the affected server. Depending on the layout of the files on the server, this could include configuration files, source code written in another scripting language, log files or other data files. Although this vulnerability does not in itself allow execution of code on the server, it may allow an attacker to discover sensitive information such as passwords or to discover vulnerabilities in other scripts on the system or potentially bypass some security restrictions. IV. DETECTION iDefense has confirmed this vulnerability exists in Adobe Macromedia ColdFusion MX 7.0.2, with all available fixes, running on Microsoft IIS vulnerable. V. WORKAROUND iDefense is unaware of any effective workarounds for this vulnerability. VI. VENDOR RESPONSE Adobe has released a patch for this issue. For more information consult their advisory at the link below. http://www.adobe.com/support/security/bulletins/apsb07-02.html VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2006-5858 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. VIII. DISCLOSURE TIMELINE 11/08/2006 Initial vendor notification 11/09/2006 Initial vendor response 01/09/2007 Coordinated public disclosure IX. CREDIT This vulnerability was reported to iDefense by Inge Henriksen. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright © 2006 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@...fense.com for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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