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Category:   Application (Calendar)  >   EasyPHPCalendar Vendors:   NashTech
EasyPHPCalendar Discloses Installation Path to Remote Users and Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1013704
SecurityTracker URL:  http://securitytracker.com/id/1013704
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Apr 14 2005
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  

Description:   sNKenjoi reported a vulnerability in EasyPHPCalendar. A remote user can conduct cross-site scripting attacks. A remote user can also determine the installation path.

The 'index.php' script does not properly validate user-supplied input in the 'yr' parameter. 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 EasyPHPCalendar 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]/index.php?mo=04&yr=[XSS]

A remote user can load the 'popup.php' script with an invalid 'ev' parameter value to cause the system to disclose the installation path. A demonstration exploit URL is provided:

http://[target]/functions/popup.php?ev=f00b4r&readFile0&readSQL=2&showCat=&oc=2

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the EashPHPCalendar 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.

A remote user can determine the installation path.

Solution:   No solution was available at the time of this entry.
Vendor URL:  www.easilysimplecalendar.com/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  4 new security advisorys


http://www.snkenjoi.com/secadv/secadv1.txt
http://www.snkenjoi.com/secadv/secadv2.txt
http://www.snkenjoi.com/secadv/secadv3.txt
http://www.snkenjoi.com/secadv/secadv4.txt

-- 
snkenjoi.com
 
 


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