February 2018
Beginner to intermediate
426 pages
10h 25m
English
A fuzzer is a tool designed to inject random data into a web application. A web application fuzzer can be used to test for buffer overflow conditions, error handling issues, boundary checks, and parameter format checks. The result of a fuzzing test is to reveal vulnerabilities that cannot be identified by web application vulnerability scanners. Fuzzers follow a trial and error method and require patience while identifying flaws.
Burp Suite and WebScarab have a built-in fuzzer. Wfuzz is a one-click fuzzer available in Kali Linux. We will use all of these to test web applications in Chapter 10, Other Common Security Flaws in Web Applications.
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