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handbook/tools/3.Web-Hacking/4.Injection/SQL/Commands/SQL-injection/4 - Examining the Database.md
Anton Nesterov af9011411c
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Examining the Database

Following initial identification of an SQL injection vulnerability, it is generally useful to obtain some information about the database itself. This information can often pave the way for further exploitation.

  • Specific syntax depends on the database type

Enumerating Version (Oracle)

SELECT * FROM v$version

Enumerating Tables

SELECT * FROM information_schema.tables

More Examination

Information you need to gather:

  • Type of database software
  • Version of database software
  • Contents of the database (columns and tables)

Querying the Database Type and Version !Pasted image 20221210161338.png

Example of using a UNION attack:

' UNION SELECT @@version--

Might return the following version information:

Microsoft SQL Server 2016 (SP2) (KB4052908) - 13.0.5026.0 (X64)
Mar 18 2018 09:11:49
Copyright (c) Microsoft Corporation
Standard Edition (64-bit) on Windows Server 2016 Standard 10.0 <X64> (Build
14393: ) (Hypervisor)