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Grapecity DataDynamics Report Library 1.6.1871.61 Cross Site Scripting

Grapecity DataDynamics Report Library 1.6.1871.61 Cross Site Scripting
Posted Mar 30, 2011
Authored by Dave Daly

Grapecity DataDynamics Report Library versions 1.6.1871.61 and below suffer from a cross site scripting vulnerability.

tags | exploit, xss
SHA-256 | a22a8c2b6b70131ce3b4225ba88dc0ab77792b84394c64a663c7b4b21c85a45b

Grapecity DataDynamics Report Library 1.6.1871.61 Cross Site Scripting

Change Mirror Download
Class  Input Validation Error
CVE
Remote Yes
Local No
Published Mar 30 2011 11:00AM

Credit Dionach
Vulnerable Grapecity DataDynamics Report Library 1.6.1871.61 and earlier

Grapecity's DataDynamics Report Library is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and to launch other attacks.

Versions 1.6.1871.61 and earlier of the DataDynamics.Reports.Web class library are known to be vulnerable. Other versions may also be vulnerable. The vulnerability lies in unsafe calls to the CoreViewerInit.js and CoreController.js scripts when embedded in an ASP.NET handler such as the following:

<% @ WebHandler language="C#" class="DataDynamics.Reports.Web.CoreHandler, DataDynamics.Reports.Web, Version=1.6.1871.61, Culture=neutral, PublicKeyToken=d557f2f30a260da2" codebehind="CoreHandler.cs" %>

To exploit this issue, an attacker must entice an unsuspecting victim into following a malicious URI, such as the following:

http://localhost/CoreHandler.ashx?dd:script=CoreViewerInit.js&reportName=<script>alert('XSS1!')</script>&uniqueId=<script>alert('XSS2!')</script>#
http://localhost/CoreHandler.ashx?dd:script=CoreController.js&uniqueId=<script>alert('XSS1!')</script>&traceLevel=<script>alert('XSS2!')</script>#

Grapecity report that version 1.6.2084.14 is not vulnerable. This is available from the following URL:

http://www.gcpowertools.com/DownloadLatestVersion
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