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Safari Webkit For iOS 7.1.2 JIT Optimization Bug

Posted Aug 14, 2020

Authored by timwr, Ian Beer, kudima, WanderingGlitch | Site metasploit.com

This Metasploit module exploits a JIT optimization bug in Safari Webkit. This allows us to write shellcode to an RWX memory section in JavaScriptCore and execute it. The shellcode contains a kernel exploit (CVE-2016-4669) that obtains kernel rw, obtains root and disables code signing. Finally we download and execute the meterpreter payload. This module has been tested against iOS 7.1.2 on an iPhone 4.

tags | exploit, kernel, root, shellcode

systems | apple, iphone, ios

advisories | CVE-2016-4669, CVE-2018-4162

SHA-256 | 8ca4b125e9aba514f4d2bd3c12b5189f4dceafcaab577262cc602a11c87480fb

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