Post

HackTheBox Jscalc Challenge

Explore the basics of cybersecurity in the Jscalc 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/551

Description

In the mysterious depths of the digital sea, a specialized JavaScript calculator has been crafted by tech-savvy squids. With multiple arms and complex problem-solving skills, these cephalopod engineers use it for everything from inkjet trajectory calculations to deep-sea math. Attempt to outsmart it at your own risk! 🦑

Exploitation

1
require(`fs`).readFileSync(`../../flag.txt`).toString()

Summary

The JSCalc Challenge on Hack The Box is a challenge that centers on exploiting a JavaScript-based calculator. Participants use JavaScript code injection to bypass standard operation confines and access sensitive files, specifically by reading flag.txt outside the typical directory scope. This challenge is ideal for intermediate users, offering practical experience in exploiting JavaScript environments and securing file access within a cybersecurity framework.

This post is licensed under CC BY 4.0 by the author.