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Web Penetration Testing with Kali Linux 2.0, Second Edition

You're reading from  Web Penetration Testing with Kali Linux 2.0, Second Edition

Product type Book
Published in Nov 2015
Publisher
ISBN-13 9781783988525
Pages 312 pages
Edition 1st Edition
Languages

Table of Contents (17) Chapters

Web Penetration Testing with Kali Linux Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Introduction to Penetration Testing and Web Applications 2. Setting up Your Lab with Kali Linux 3. Reconnaissance and Profiling the Web Server 4. Major Flaws in Web Applications 5. Attacking the Server Using Injection-based Flaws 6. Exploiting Clients Using XSS and CSRF Flaws 7. Attacking SSL-based Websites 8. Exploiting the Client Using Attack Frameworks 9. AJAX and Web Services – Security Issues 10. Fuzzing Web Applications Index

SQL injection


Interacting with a backend database to retrieve and write data is one of the most critical tasks performed by a web application. Relational databases that store the data in a series of tables are commonly used to accomplish this. Querying the data from the backend database is done using SQL.

The input taken from cookies, input forms, and URL variables are used to build SQL statements that are passed back to the database for processing. As user input is involved in building the SQL statement, the developer of the application needs to carefully validate it before passing it to the backend database.

SQL statements

In order to understand the SQL injection flaw, you need have some knowledge of SQL. The structured query language allows the developer to perform the following actions on the database:

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Statement

Description

SELECT

It allows information to be retrieved from the database

UPDATE

It allows modification of existing data in the database

INSERT

It allows inserting...