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Web Penetration Testing with Kali Linux. - Third Edition

You're reading from  Web Penetration Testing with Kali Linux. - Third Edition

Product type Book
Published in Feb 2018
Publisher
ISBN-13 9781788623377
Pages 426 pages
Edition 3rd Edition
Languages
Authors (3):
Daniel W. Dieterle Daniel W. Dieterle
Profile icon Daniel W. Dieterle
Gilberto Najera-Gutierrez Gilberto Najera-Gutierrez
Profile icon Gilberto Najera-Gutierrez
Juned Ahmed Ansari Juned Ahmed Ansari
Profile icon Juned Ahmed Ansari
View More author details
Toc

Table of Contents (19) Chapters close

Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
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. Authentication and Session Management Flaws 5. Detecting and Exploiting Injection-Based Flaws 6. Finding and Exploiting Cross-Site Scripting (XSS) Vulnerabilities 7. Cross-Site Request Forgery, Identification, and Exploitation 8. Attacking Flaws in Cryptographic Implementations 9. AJAX, HTML5, and Client-Side Attacks 10. Other Common Security Flaws in Web Applications 11. Using Automated Scanners on Web Applications 1. Other Books You May Enjoy Index

Identifying weak implementations of SSL/TLS


As you learned in the previous section, TLS is a combination of various encryption algorithms packaged into one in order to provide confidentiality, integrity, and authentication. In the first step, when two endpoints negotiate for an SSL connection, they identify the common cipher suites supported by them. This allows SSL to support a wide variety of devices, which may not have the hardware and software to support the newer ciphers. Supporting older encryption algorithms has a major drawback. Most older cipher suites are easily breakable in a reasonable amount of time by cryptanalysts using the computing power available today.

The OpenSSL command-line tool

In order to identify the cipher suites negotiated by the remote web server, you can use the OpenSSL command-line tool that comes preinstalled on all major Linux distributions, and it is also included in Kali Linux. The tool can be used to test the various functions of the OpenSSL library directly...

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