🚩
THM Walkthroughs
  • THM Walkthroughs
    • 🧑‍🏫Tutorial
  • 🟦Difficulty: Info
    • 🔌What is Networking?
    • 🔌Intro to LAN
    • 🐧Linux Fundamentals
      • 🐧Linux Fundamentals Part 1
        • Task 2 - A Bit of Background on Linux
        • Task 4 - Running Your First few Commands
        • Task 5 - Interacting With the Filesystem!
        • Task 6 - Searching for Files
        • Task 7 - An Introduction to Shell Operators
      • 🐧Linux Fundamentals Part 2
        • Task 3 - Introduction to Flags and Switches
        • Task 4 - Filesystem Interaction Continued
        • Task 5 - Permissions 101
        • Task 6 - Common Directories
      • 🐧Linux Fundamentals Part 3
        • Task 3 - Terminal Text Editors
        • Task 4 - General/Useful Utilities
        • Task 5 - Processes 101
        • Task 6 - Maintaining Your System: Automation
        • Task 8 - Maintaining Your System: Logs
    • 🪟Windows Fundamentals
      • 🪟Windows Fundamentals 1
      • 🪟Windows Fundamentals 2
      • 🪟Windows Fundamentals 3
    • 🔓Principles of Security
    • 🐍Python Basics
    • 🔍History of Malware
    • 🦹Common Attacks
    • 🖥️Security Awareness
    • ⚔️Intro to Offensive Security
    • 🦹Pentesting Fundamentals
    • 🔓CVE Walkthroughs
      • 🖥️Sudo Security Bypass: CVE-2019-14287
      • 🖥️Sudo Buffer Overflow: CVE-2019-18634
      • 🖥️Baron Samedit: CVE-2021-3156
      • 🖥️OverlayFS: CVE-2021-3493
      • 🖥️Polkit: CVE-2021-3560
      • 🖥️Pwnkit: CVE-2021-4034
      • 🪶Apache HTTP Server Path Traversal: CVE-2021-41773/42013
      • 🧻Dirty Pipe: CVE-2022-0847
      • 🟢Spring4Shell: CVE-2022-22965
    • 🟧Burp Suite
      • 🟧Burp Suite: The Basics
      • 🟧Burp Suite: Repeater
    • 🏁Challenges
      • ⤴️Bypass Disable Functions
    • 🎟️THM PROMOs
      • 🎟️Learn and win prizes [PROMO ENDED]
      • 🎟️Learn and win prizes #2 [PROMO ENDED]
  • 🟩Difficulty: Easy
    • 🚀Learning Cyber Security
    • 🔁The Hacker Methodology
    • 🔍Google Dorking
      • Task 2 - Let's Learn About Crawlers
      • Task 4 - Beepboop - Robots.txt
      • Task 5 - Sitemaps
      • Task 6 - What is Google Dorking?
    • 🐝OWASP Top 10
      • Task 5 - Command Injection Practical
      • Task 7 - Broken Authentication Practical
      • Task 11 - Sensitive Data Exposure (Challenge)
      • Task 13 - XML External Entity - eXtensible Markup Language
      • Task 14 - XML External Entity - DTD
      • Task 16 - XML External Entity - Exploiting
      • Task 18 - Broken Access Control (IDOR Challenge)
      • Task 19 - Security Misconfiguration
      • Task 20 - Cross-site Scripting
      • Task 21 - Insecure Deserialization
      • Task 24 - Insecure Deserialization - Cookies
      • Task 25 - Insecure Deserialization - Cookies Practical
      • Task 30 - Insufficient Logging and Monitoring
    • 📡Nmap
      • Task 2 - Introduction
      • Task 3 - Nmap Switches
      • Task 5 - TCP Connect Scans
      • Task 6 - Scan Types SYN Scans
      • Task 7 - UDP Scans
      • Task 8 - NULL, FIN and Xmas
      • Task 9 - ICMP Network Scanning
      • Task 10 - NSE Scripts Overview
      • Task 11 - Working with the NSE
      • Task 12 - Searching for Scripts
      • Task 13 - Firewall Evasion
      • Task 14 - Practical
    • 📡RustScan
      • Task 2 - Installing RustScan
      • Task 5 - Extensible
      • Task 7 - Scanning Time!
      • Task 8 - RustScan Quiz
    • 🐙Crack the hash
    • 🌍OhSINT
    • 🧑‍🚀Vulnversity
    • 🧊Ice
    • 🪟Blue
    • 🎄Advent of Cyber 4 (2022)
  • 🟨Difficulty: Medium
    • 🪟Attacktive Directory
      • Task 3 - Welcome to Attacktive Directory
      • Task 4 - Enumerating Users via Kerberos
      • Task 5 - Abusing Kerberos
      • Task 6 - Back to the Basics
      • Task 7 - Elevating Privileges within the Domain
      • Task 8 - Flag Submission Panel
    • 💀Mr Robot CTF
    • 🛗Linux PrivEsc
    • 🛗Linux PrivEsc Arena [WIP]
    • 🛗Windows PrivEsc Arena
  • 🟧Difficulty: Hard
    • 🐘Hacking Hadoop [WIP]
  • 🟥Difficulty: Insane
    • ⛺You're in a cave [WIP]
  • Blank Room (Duplicate Me)
Powered by GitBook
On this page
  1. Difficulty: Easy
  2. OWASP Top 10

Task 16 - XML External Entity - Exploiting

PreviousTask 14 - XML External Entity - DTDNextTask 18 - Broken Access Control (IDOR Challenge)

Last updated 2 years ago

Task 16 [Severity 4] XML External Entity - Exploiting

Try to display your own name using any payload.

HINT: No answer needed

See if you can read the /etc/passwd

HINT: No answer needed

What is the name of the user in /etc/passwd

Reveal Flag

falcon

Where is falcon's SSH key located?

Reveal Flag

/home/falcon/.ssh/id_rsa

What are the first 18 characters for falcon's private key

Reveal Flag

MIIEogIBAAKCAQEA7

🚩
🚩
🚩
🚩
🚩
🚩
🟩
🐝
  • Task 16 [Severity 4] XML External Entity - Exploiting
  • Try to display your own name using any payload.
  • See if you can read the /etc/passwd
  • What is the name of the user in /etc/passwd
  • Where is falcon's SSH key located?
  • What are the first 18 characters for falcon's private key