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Google-chrome-zero-day — CVE-2025-6554 | Kitploit
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GitHubmuhammednihalmp/google-chrome-zero-day

Google-chrome-zero-day

CVE-2025-6554

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111110 months agoNot yet reviewed

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Google Chrome Zero-Day — Web Security Track

Learn, practice, and defend — ethically.
This repository contains course materials and labs for the Web Security module . Use only in controlled, legal environments (VMs, lab networks) and follow the Responsible Disclosure & Code of Conduct below.

Table of contents

  • Overview
  • Learning outcomes
  • Case study summary
  • Course modules & syllabus
  • Lab exercises (safe / controlled)
  • Lab environment setup
  • Mitigations & detection guidance
  • Responsible disclosure & ethics
  • Contributing
  • References
  • License

Overview

This repo supports an offensive-security training track that teaches web vulnerability analysis, exploitation fundamentals, and defensive detection using a real-world case-study approach. Emphasis is on ethical learning, reproducible lab setups, and actionable mitigation/detection techniques.

Learning outcomes

By completing this module you will be able to:

  • Explain V8 engine basics and how type-confusion bugs arise.
  • Analyze a real-world browser vulnerability at a high level.
  • Reproduce safe, non-destructive demos in isolated lab VMs.
  • Implement mitigation steps and detection signatures for enterprise environments.
  • Follow responsible disclosure and incident response best practices.

Case study (summary)

Download Tool

This course uses a browser engine vulnerability as a teaching case. Materials focus on investigation, crash triage, and defensive countermeasures. No weaponized exploit code is included. All exercises are designed to be non-destructive and contained within lab VMs.

Course modules & syllabus (high level)

  1. Intro to browser engines & V8 internals
  2. Type confusion: theory & safe examples
  3. Case study walkthrough (high level analysis)
  4. Safe lab: controlled memory-behavior demos
  5. Crash analysis & triage
  6. Hunting & detection (EDR / SIEM rules)
  7. Mitigation, patch management, and hardening
  8. Responsible disclosure & ethics

Lab exercises (safe)

Each lab MUST be run on isolated, snapshot-based VM environments. Example labs:

  • V8 object layout inspection (debug builds, instrumentation)
  • Controlled type-confusion demonstration (instrumentation only, non-exploit)
  • Crash analysis and symbolized triage
  • Detection rule authoring (YARA/EDR/SIEM samples)

Do not run exploits or PoCs that attempt remote code execution on production or third-party systems.

Lab environment setup (recommended minimal)

  • Host with virtualization (VirtualBox/VMware/KVM)
  • Victim VM: Windows 10/11 or Linux with Chrome/Chromium debug symbols
  • Attacker VM: Kali/Ubuntu (analysis tools)
  • Instrumentation VM (optional): symbol server, debug tooling
  • Tools: Chrome debug builds, WinDbg/gdb, procmon, symbol packages, Node/V8 tools, ELK or SIEM for logging

Snapshot before each exercise.

Mitigations & detection (practical)

  • Patch promptly: apply vendor updates as soon as they are available.
  • Enable site and process isolation in browsers.
  • Use content-filtering and JS execution policies for untrusted content.
  • EDR/SIEM rules: alert on repeated renderer crashes with similar stacks, anomalous JS payload patterns, unusual post-visit behaviors.
  • Monitor network: watch browser-originated outbound connections to suspicious domains.

Responsible disclosure & ethics

  • Always obtain authorization before testing systems.
  • Use isolated lab networks for research.
  • If you discover a vulnerability, follow a responsible disclosure process (vendor security teams, coordinated disclosure).
  • Do not publish weaponized exploit code.

Contributing

Contributions welcome (labs, defensive rules, detection content, documentation). Rules:

  • No public exploit PoCs that enable RCE.
  • Submissions limited to benign demos, defensive content, lab instructions, slides and writeups.
  • Open a PR with reproducible steps and lab environment details.

*Prepared by: Nihal MP