Hamid-K

Hamid-K / nginx-rift-private-lab

Public

Private Nginx Rift ASLR lab, exploit chain, and demo recordings

48
9
69% credibility
Found May 19, 2026 at 56 stars -- GitGems finds repos before they trend. Get early access to the next one.
Sign Up Free
AI Analysis
Python
AI Summary

NGINX Rift is a private security research lab that demonstrates a critical vulnerability (CVE-2026-42945) in NGINX web server software. The project provides tools for security researchers and system administrators to safely test whether their servers are affected by a heap buffer overflow bug in the server's rewrite module. The main tool, nginx_rifter.py, acts as an assessment-first scanner that investigates target servers through file-read pathways, determines if they're vulnerable, and optionally demonstrates the complete exploit chain including ASLR bypass techniques. The project is designed for authorized testing in controlled lab environments and includes documentation about which server versions are affected and which updates fix the vulnerability.

How It Works

1
🔍 You learn about a web server vulnerability

You hear about a serious flaw in popular web server software that could let attackers run commands on your servers.

2
🧪 You set up a safe testing environment

You download the research lab files and run a simple setup script to create a controlled test server on your own machine.

3
📊 You run the assessment tool

You launch the main assessment program, pointing it at your test server to safely check if it's vulnerable.

4
🔎 The tool investigates your server

The program examines your server through special read-only pathways, learning details about how it's configured and where important parts live in memory.

5
You choose your approach
📋
Assessment mode

Just check if your server is vulnerable and see what conditions would need to be met for an attack.

🚀
Exploit mode

Watch the complete attack unfold, including how the server's memory protection is bypassed.

6
📝 You receive your report

The tool outputs detailed findings about your server's configuration and whether the vulnerability could be exploited.

✅ You understand your risk

You now know whether your server needs updating, and you can show this to your team as proof of what was tested.

Sign up to see the full architecture

5 more

Sign Up Free

Star Growth

See how this repo grew from 56 to 48 stars Sign Up Free
Repurpose This Repo

Repurpose is a Pro feature

Generate ready-to-use prompts for X threads, LinkedIn posts, blog posts, YouTube scripts, and more -- with full repo context baked in.

Unlock Repurpose
AI-Generated Review

What is nginx-rift-private-lab?

This is a security research lab for exploiting CVE-2026-42945, a critical heap buffer overflow in NGINX's rewrite module that enables unauthenticated remote code execution. The project provides working exploit chains that bypass ASLR on real Linux systems, combining the nginx overflow with a local file-read primitive to derive runtime addresses from live process memory. The main entry point is an assessment-first Python tool that profiles vulnerable targets, discovers nginx worker PIDs and libc mappings through HTTP-accessible primitives, and then executes the exploit with explicit user consent. It includes both a coreless path (reading /proc//mem directly) and a legacy core-dump guided path.

Why is it gaining traction?

The research fills a gap between theoretical CVEs and practical exploitation. Most nginx RCE demos rely on Docker labs with ASLR disabled, but this project demonstrates the full ASLR bypass chain on real x86_64 VMs. The assessment-first design is notable: the tool profiles targets and prints a viability matrix before attempting exploitation, making it more useful for authorized testing than raw exploit scripts. The modular file-read template allows adapting the chain to different LFI primitives beyond the lab's PHP endpoint.

Who should use this?

Security researchers studying memory corruption exploitation, penetration testers assessing nginx deployments with known vulnerable rewrite configurations, and CTF enthusiasts learning heap exploitation techniques. This is not for production developers or anyone without explicit authorization to test the target systems.

Verdict

This is legitimate, well-documented security research with a credibility score of 0.699999988079071%, reflecting its niche focus and low star count. The 48 stars and extensive documentation suggest a quality project within its domain, but the specialized requirements (vulnerable nginx with rewrite directives, same-host LFI primitive, specific procfs permissions) limit its audience. Use it for learning or authorized testing only.

Sign up to read the full AI review Sign Up Free

Similar repos coming soon.