module

Mac OS X IOKit Keyboard Driver Root Privilege Escalation

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Disclosed
2014-09-24
Created
2018-05-30

Description

A heap overflow in IOHIKeyboardMapper::parseKeyMapping allows kernel memory
corruption in Mac OS X before 10.10. By abusing a bug in the IORegistry, kernel
pointers can also be leaked, allowing a full kASLR bypass.

Tested on Mavericks 10.9.5, and should work on previous versions.

The issue was patched silently in Yosemite.

Authors

Ian Beer
joev joev@metasploit.com

Platform

OSX

Architectures

x64

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:


    msf > use exploit/osx/local/iokit_keyboard_root
    msf exploit(iokit_keyboard_root) > show targets
        ...targets...
    msf exploit(iokit_keyboard_root) > set TARGET < target-id >
    msf exploit(iokit_keyboard_root) > show options
        ...show and set options...
    msf exploit(iokit_keyboard_root) > exploit
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