Fuzzing iOS Kernel Networking in Usermode

Ned Williamson

Ned Williamson

Google Project Zero


Abstract

The networking stack in an important attack surface in the iOS kernel. This talk will describe the design and implementation of a usermode fuzzer that discovered SockPuppet, a single bug that led to an escape from the app sandbox to kernel.

Speaker Info

Ned Williamson

Ned Williamson is a security researcher at Google Project Zero. He has worked on vulnerability research for a variety of targets, from Nintendo to Chrome to iOS. He has presented at POC in the past, where he got to share his love of Buldak noodles with attendees.

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