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Web Penetration Testing with Kali Linux 2.0, Second Edition

Web Penetration Testing with Kali Linux 2.0, Second Edition

By : Juned Ahmed Ansari
4 (6)
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Web Penetration Testing with Kali Linux 2.0, Second Edition

Web Penetration Testing with Kali Linux 2.0, Second Edition

4 (6)
By: Juned Ahmed Ansari

Overview of this book

Kali Linux 2.0 is the new generation of the industry-leading BackTrack Linux penetration testing and security auditing Linux distribution. It contains several hundred tools aimed at various information security tasks such as penetration testing, forensics, and reverse engineering. At the beginning of the book, you will be introduced to the concepts of hacking and penetration testing and will get to know about the tools used in Kali Linux 2.0 that relate to web application hacking. Then, you will gain a deep understanding of SQL and command injection flaws and ways to exploit the flaws. Moving on, you will get to know more about scripting and input validation flaws, AJAX, and the security issues related to AJAX. At the end of the book, you will use an automated technique called fuzzing to be able to identify flaws in a web application. Finally, you will understand the web application vulnerabilities and the ways in which they can be exploited using the tools in Kali Linux 2.0.
Table of Contents (12 chapters)
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5
5. Attacking the Server Using Injection-based Flaws
7
7. Attacking SSL-based Websites
11
Index

Fuzzing basics

Fuzzing is a testing mechanism that sends malformed data to a software implementation. The implementation may be a web application, thick client, or a process running on a server. It is a black box testing technique that injects data in an automated fashion. Fuzzing can be used for general testing but is mostly used for security testing.

Fuzzing often reveals serious flaws in the application. Fuzzing with random data can cause a program to crash, which could result in a denial of service attack. The results of the fuzzing test depend on the ability of the fuzzing software to produce inputs that can trigger an exception in the application. Some bugs that you find might be exploitable, while others might not be exploitable. A common bug that is often identified using fuzzing is the buffer overflow flaw. An application taking an input from the user and failing to perform any bound checking on it can result into an exploitable condition. Fuzzer generates random data that is used...

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