A Deep Dive into V8 Sandbox Escape Technique Used in In-The-Wild Exploit

Published

2024-01-25 15:00

Collected

2026-07-21 09:17

---
id: 4672
title: "A Deep Dive into V8 Sandbox Escape Technique Used in In-The-Wild Exploit"
source_domain: theori.io
source_url: "https://theori.io/blog/a-deep-dive-into-v8-sandbox-escape-technique-used-in-in-the-wild-exploit"
published_at: "2024-01-25T15:00:00Z"
tags: ["sandbox-escape", "exploit", "v8", "chrome", "webassembly", "cve-2023-2033"]
phying_url: "https://phying.com/item/4672"
lang: en
---

# A Deep Dive into V8 Sandbox Escape Technique Used in In-The-Wild Exploit

## Summary

How Theori escaped the V8 sandbox by abusing a raw pointer in the WasmIndirectFunctionTable object to gain arbitrary write and code execution, plus patch analysis of related sandboxification commits.

## Intelligence Metadata

- **Sources:** theori.io
- **Published:** 2024-01-25T15:00:00Z
- **Original:** https://theori.io/blog/a-deep-dive-into-v8-sandbox-escape-technique-used-in-in-the-wild-exploit
- **Phying News:** https://phying.com/item/4672