Calendarix Input Validation Flaw in 'ycyear' Parameter Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1015954 |
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SecurityTracker URL: http://securitytracker.com/id/1015954
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CVE Reference:
CVE-2006-1835
(Links to External Site)
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Updated: Nov 29 2009
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Original Entry Date: Apr 18 2006
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Impact:
Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Exploit Included: Yes
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Description:
A vulnerability was reported in Calendarix. A remote user can conduct cross-site scripting attacks.
The script does not properly filter HTML code from user-supplied input in the 'ycyear' parameter before displaying the input. 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 Calendarix 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 demonstration exploit URL is provided:
http://[target]/[path]/yearcal.php?ycyear=<script>alert(document.cookie)</script>
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Impact:
A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Calendarix 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.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: www.calendarix.com/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Sun, 16 Apr 2006 17:50:57 +0000
Subject: Calendarix "yearcal.php" XSS Attacking
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Website : http://www.calendarix.com
Vulnerable :
if (!isset($_GET['ycyear']))
$ycyear = $y ;
else
$ycyear = $_GET['ycyear'];
http://www.site.com/[path]/yearcal.php?ycyear=<script>alert(document.cookie)</script>
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