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| | Event Calendar Input Validation Holes Let Remote Users Inject SQL Commands |
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Categorie: Computer Crime
Posted: 2004-11-18 by
Views: 488
Source: Click here
| Current Rating: Not rated
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| | Details |
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Description: Some vulnerabilities were reported in Event Calendar. A remote user can inject SQL commands. A remote user can conduct cross-site scripting attacks. A remote user can determine the installation path.
Janek Vind "waraxe" reported that the software does not properly validate user-supplied input, allowing SQL injection and cross-site scripting attacks.
A remote user can supply specially crafted input in the 'edi' variable to execute SQL commands on the underlying database. A demonstration exploit URL is provided:
http://[target]/nuke73/modules.php?name=Calendar&file=index&type=view&eid=-99%20UNION%20ALL%20SELECT
%201,1,aid,1, pwd,1,1,1,1,1,1,1,1,1,1%20FROM%20nuke_authors%20WHERE%20radminsuper=1
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 Event Calendar 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.
Some demonstration exploit URLs are provided:
http://[target]/nuke73/modules.php?name=Calendar&file=submit&type=[xss code here]
http://[target]/nuke73/modules.php?name=Calendar&file=sub mit&op2=Preview&day=[xss code here]
http://[target]/nuke73/modules.php?name=Calendar&file=submit&op2=Preview&month=[xss code here]
http://[target]/nuke73/modules.php?na me=Calendar&file=submit&op2=Preview&year=[xss code here]
http://[target]/nuke73/modules.php?name=Calendar&file=submit&op2=Preview&type=[xss code here]
It is also reported that calendar event comments are not filtered.
It is reported that a remote user can supply the following types of URLs to cause the system to display the installation path:
http://[target]/nuke73/modules/Calendar/config.php
http://[target]/nuke73/modules/ Calendar/index.php
http://localhost/nuke73/modules/Calendar/submit.php
The vendor was notified on September 6, 2004.
Impact: A remote user can execute SQL commands on the underlying database.
A remote user can determine the installation database.
A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Event Calendar 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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