stong/how-to-exploit-a-double-free resource

Health v2 · maintenance only

Flags: no_releases no_license

Adoption not part of the score

1387 stars · 64 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A long-form tutorial repository teaching modern binary exploitation through a real CTF challenge from pbctf. It walks through exploiting an ARM-only race condition leading to a double free / use-after-free heap corruption, from source code audit to obtaining a shell.

Use cases

• learn how to exploit a double free vulnerability
• understand use-after-free heap exploitation
• study how race conditions differ between ARM and x86
• learn lock-free programming memory ordering bugs
• prepare for CTF pwn challenges
• see a full vulnerability research walkthrough from audit to shell
• learn how to get arbitrary read and write from heap corruption

When to choose

• you want a detailed, practical walkthrough of modern heap exploitation
• you are learning CTF pwn or binary exploitation techniques
• you want to understand ARM vs x86 memory ordering and race condition bugs

When to avoid

• you need a reusable exploitation tool or library rather than a tutorial
• you are looking for beginner-level general programming education unrelated to security
• you need maintained software with a license for production use

Facets

learning-resource · maturity stable

security reverse-engineering developer-tools security tutorials developer-tools binary-exploitation use-after-free double-free heap-exploitation ctf pwn race-condition lock-free-programming microarchitecture walkthrough linux arm

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