format-string-exploitation

Official

Master format string exploits for remote access

Authoryaklang
Version1.0.0
Installs0

System Documentation

What problem does it solve?

Format string vulnerabilities allow attackers to read memory, leak addresses, and potentially execute code; this Skill provides a playbook to identify, exploit, and safely reproduce these issues in controlled environments.

Core Features & Use Cases

  • Address leakage via %p, %s, and positional specifiers to determine PIE/libc/base addresses.
  • Arbitrary writes using %n/%hn/%hhn to modify memory and redirect control flow.
  • GOT/relocation table manipulation to pivot to code execution in practice, including 32-bit and 64-bit scenarios.
  • Guidance on bypassing mitigation like Fortify, RELRO, and ASLR in lab settings.
  • Real-world use cases: CTF challenges, secure assessment training, and vulnerability research.

Quick Start

Analyze a vulnerable program and generate a working fmtstr payload to leak a libc address.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: format-string-exploitation
Download link: https://github.com/yaklang/hack-skills/archive/main.zip#format-string-exploitation

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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