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HeadPage

A Simple and porpousely vulnerable django web-application for testing and learning

index User profile

Idea

  • Create a social-media-like (HeadPage != Facebook) web application with a relatively small, and vulnerable, code base.
  • Users create public profiles, upload files for public (such as photos)or private (such as pdfs) use and browse other users' profiles.

Running

The recommended way is using docker using the following commands to build and run the container

docker build --tag=headpage:latest .

docker run -d --rm -p 8000:8000 --name headpage headpage:latest

Otherwise, install the dependencies on requirements.txt and run the default django webserver and you'll be good to go.

Allowing connections other than localhost

Change the following line on src/headpage/settings.py to serve HeadPage on all interfaces. This can be dangerous, if possible run inside a VM on Host-Only interface.

ALLOWED_HOSTS = ['*']

Why?

Yes

The site is ugly as sin!

Yes - Also, I'm not a web developer

Main Vulnerabilities

SQL Injection

  • Login and Register user forms use raw, unsanitized SQL queries and are subject to injection via trailing comment and ' to close strings

sqli

XSS

  • The user's first/last name or username are not sanitized and are displayed on their profile.
    • E.g. username: <script>alert("!!")</script>

CSRF

  • To be Implemented (?)

Open Redirect

  • When clicking the link to the login/register page from a previous page, the previous Page URL is sent as a Parameter for a redirection back to the previous page after loging in/registering. The redirection URL is not validated.
    • E.g. 127.0.0.1:8000/social/login/?redirect=evilsite.url

Remote Code Execution

  • The user can choose a picture already uploaded for his profile, or download an image from a URL. The download is done by invoking wget without escaping the user input
    • E.g. On the picture URL field ; touch evil.sh #
  • (based on the django.nV injection vuln) The user can upload a file and give an arbitrary name (or rename already uploaded files). The rename is done with mv. This process is vulnerable to code injection in the new file name, or replacing an existing program with a malicious version

edit profile

Malicious File Upload

  • There is no file checking on user uploaded files, or URL downloads.

Illegal File Access / Path Traversal

  • Some static files are returned after GET requests 127.0.0.1:8000/social/static/?file=privacy.txt The file in the GET is not properly validated/sanitized

/etc/passwd leak