Vulnerable client-server application (VuCSA) is made for learning/presenting how to perform penetration tests of non-http thick clients. It is written in Java (with JavaFX graphical user interface).
Currently the vulnerable application contains the following challenges:
If you want to know how to solve these challenges, take a look at the PETEP website, which describes how to use the open-source tool PETEP to exploit them.
Tip: Before you start hacking, do not forget to check the data structure of messages bellow.
In order to run the vulnerable server and client, you can use one of releases on GitHub or run gradle assemble, which creates distribution packages (for both Windows and Unix). These packages contain sh/bat scripts that will run the server and client using JVM.
Project is divided into three modules:
Messages transmitted between server and client have the following simple format:
[type][target][length][payload] 32b 32b 32b ???
These four parts have the following meaning:
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