20.8 Lab: Developing a custom gadget chain for Java deserialization

Disclaimer:

The content shared in this video is intended for educational purposes only. The demonstrations, tutorials, and information presented are meant to highlight common vulnerabilities in cybersecurity systems and are performed in controlled environments, such as the Portswigger Labs, with explicit permission. The primary goal is to enhance knowledge and awareness of potential security threats and vulnerabilities.

Please be aware that attempting to exploit or replicate these techniques without proper authorization may violate applicable laws and regulations. The creator of this content does not encourage any illegal activities, and the responsibility for any misuse or consequences arising from these demonstrations lies solely with the viewer.

Always ensure that you have the appropriate permissions before conducting security testing on any system. It is recommended to seek professional advice and authorization from the relevant parties before attempting any penetration testing, ethical hacking, or security research.

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Description - Portswigger Lab
This lab uses a serialization-based session mechanism. If you can construct a suitable gadget chain, you can exploit this lab's insecure deserialization to obtain the administrator's password. To solve the lab, gain access to the source code and use it to construct a gadget chain to obtain the administrator's password. Then, log in as the administrator and delete carlos | Karthikeyan Nagaraj

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