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Mobile Pwn2Own Autumn 2013 Chrome on Android Exploit Writeup

By Nytro, in Reverse engineering & exploit development

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Nytro

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Mobile Pwn2Own Autumn 2013 Chrome on Android Exploit Writeup

ianbeer@chromium.org

tl?dr

Pinkie Pie exploited an integer overflow in V8 when allocating TypedArrays, abusing dlmalloc inline metadata and JIT rwx memory to get reliable code execution. Pinkie then exploited a bug in a Clipboard IPC message where a renderersupplied pointer was freed to get code execution in the browser process by spraying multiple gigabytes of sharedmemory.

Download:

https://docs.google.com/document/d/1tHElG04AJR5OR2Ex-m_Jsmc8S5fAbRB3s4RmTG_PFnw/edit

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