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| | Geeklog Input Validation Flaws Permit SQL Injection and Cross-Site Scripting Attacks |
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Categorie: Vulnerability
Posted: 2003-09-30 by ReCall
Views: 419
Source: Click here
| Current Rating: Not rated
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| | Details |
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Description: Lorenzo Hernandez Garcia-Hierro reported several vulnerabilities in Geeklog. A remote user can inject SQL commands. A remote user can also conduct cross-site scripting attacks.
It is reported that several scripts do not properly validate user-supplied input. A remote user can inject SQL commands to be executed on the underlying database. A remote user can exploit this to, for example, obtain e-mail addresses and hashed passwords.
Some demonstration exploit URLs are provided:
http://[TARGET]/index.php?topic=te'st/[SQL INJECTION CODE]
http://[TARGET]/forum/viewtopic.php?forum=1&showtopic=1'0/[SQL INJECTION CODE]
http://[TARGET]/staticpages/index.php?page=test'test/[SQL INJECTION CODE]
http://[TARGET]/filemgmt/visit.php?lid=1'1'0/[SQL INJECTION CODE]
http://[TARGET]/filemgmt/viewcat.php?cid='6/[SQL INJECTION CODE]
http://[TARGET]/comment.php?type=filemgmt&cid=filemgmt-1'70/[SQL INJECTION CODE]
http://[TARGET]/comment.php?mode=display&sid=filemgmt-XXX&title=[SQL INJECTION CODE]
http://[TARGET]/filemgmt/singlefile.php?lid=17'/0/[SQL INJECTION CODE]
It is also reported that a remote user can send a message containing HTML code with malicious scripting code to the shoutbox on the main page. A remote user can submit specially crafted HTML. Then, when a target user views the forum, arbitrary scripting code will be executed by the target user's browser. The code will originate from the site running the vulnerable Geeklog 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.
A remote user can also create a specially crafted URL that, when loaded, will cause arbitrary scripting code to be executed by the target user's browser. Some demonstration exploit cross-site scripting URLs are provided:
http://[TARGET]/faqman/index.php?op=view&t=518">[XSS ATTACK CODE]
http://[TARGET]/filemgmt/brokenfile.php?lid=17'/%22%3[XSS ATTACK CODE]
Impact: 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 Geeklog 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: No solution was available at the time of this entry.
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