CVE-2018-4218

HIGH

Safari < 11.1.1 - Remote Code Execution via WebKit @generatorState Use-After-Free

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-4218. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages a use-after-free vulnerability in WebKit's generator implementation by manipulating prototype chains and internal properties to bypass recursion checks. The PoC demonstrates memory corruption via crafted generator objects.

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 or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers an @generatorState use-after-free.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · htmldosmultiple

https://www.exploit-db.com/exploits/44861

View Code ZIP pw:eip

This exploit leverages a use-after-free vulnerability in WebKit's generator implementation by manipulating prototype chains and internal properties to bypass recursion checks. The PoC demonstrates memory corruption via crafted generator objects.

Classification

Working Poc 90%

Attack Type

Rce

Complexity

Complex

Reliability

Reliable

Target: WebKit (Safari, other browsers using WebKit)

No auth needed

Prerequisites: Target must be using a vulnerable version of WebKit

MITRE ATT&CK