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| | DotNetNuke Multiple Input Validation Flaws Disclose Files to Remote Users and Permit SQL Injection |
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Categorie: Vulnerability
Posted: 2004-01-29 by ReCall
Views: 336
Source: Click here
| Current Rating: Not rated
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| | Details |
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Description: Several vulnerabilities were reported in DotNetNuke. A remote user can view files on the system. A remote user can also inject SQL commands and conduct cross-site scripting attacks.
Ferruh Mavituna reported that a remote user can supply a specially crafted HTTP GET request to download files and forum source code from the target system. One file that can be downloaded is the 'Web.config' file that contains the username and password for the SQL server, the report said.
It is also reported that a remote user can inject certain SQL commands, as the 'table' and 'field' variables in 'LinkClick.aspx' are not properly validated.
It is also reported that the registration page does not filter HTML code from user-supplied input before displaying the information. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the DotNetNuke software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Impact: A remote user can view files on the system with the privileges of the web service.
A remote user can inject SQL commands to be executed by the underlying database.
A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the DotNetNuke software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution: The vendor has released a fixed version (1.0.10e), available at:
http://www.dotnetnuke.com/DesktopDefault.aspx?tabid=125
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