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The CVE-2024-3837 vulnerability is a type confusion issue within the V8 JavaScript engine. The flaw originates during the compilation process of JIT-generated code. V8’s Ignition interpreter and TurboFan optimizing compiler use type speculation to enhance performance by assuming variable types. An attacker can craft JavaScript code that triggers an incorrect type assumption, leading to a scenario where the TurboFan compiler generates optimized code that expects a specific object type. By subsequently supplying a different, unexpected type, the compiled code handles the object incorrectly, corrupting memory. This corruption can be exploited to read from or write to arbitrary memory addresses, ultimately allowing for remote code execution within the context of the browser renderer process.
Platform: Google Chromium
Version: Prior to 124.0.6367.207
Vulnerability: Type Confusion
Severity: Critical
date: 2024-05-07
Prediction: 2024-05-14
What Undercode Say:
`git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git`
`fetch chromium</h2>
<h2 style="color: blue;">gclient sync</h2>
<h2 style="color: blue;">gn gen out/Default</h2>
<h2 style="color: blue;">ninja -C out/Default chrome`
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How Exploit:
Crafted JavaScript
Trigger Optimization
Memory Corruption
RCE Payload
Protection from this CVE:
Update Browser
V8 Heap Sandbox
Site Isolation
Impact:
Remote Code Execution
System Compromise
Bypass Sandbox
🎯Let’s Practice Exploiting & Learn Patching For Free:
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
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