CVE-2018-4222

HIGH

Safari < 11.1.1 - Remote Code Execution via WebAssembly getWasmBufferFromValue Out-of-Bounds Read

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-4222. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates an out-of-bounds read vulnerability in WebKit's WebAssembly compilation. It leverages a double offset issue when handling ArrayBuffer views, leading to potential memory disclosure or crashes in Safari.

Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a getWasmBufferFromValue out-of-bounds read during WebAssembly compilation.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · htmldosmultiple

https://www.exploit-db.com/exploits/44859

View Code ZIP pw:eip

This exploit demonstrates an out-of-bounds read vulnerability in WebKit's WebAssembly compilation. It leverages a double offset issue when handling ArrayBuffer views, leading to potential memory disclosure or crashes in Safari.

Classification

Working Poc 95%

Attack Type

Info Leak

Complexity

Moderate

Reliability

Reliable

Target: WebKit (Safari) versions affected by CVE-2018-4222

No auth needed

Prerequisites: WebKit-based browser (e.g., Safari) with WebAssembly support

MITRE ATT&CK