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User:Userlandkernel

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Revision as of 16:59, 13 February 2020 by Xnudaemon (talk | contribs) (Xnudaemon moved page User:Xnudaemon to User:Userlandkernel)
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About me

  • @userlandkernel on Twitter
  • Hacking stuff (literally anything, web / networks, vending machines, radio etc etc) since 2012
  • Love developing nerdy debug tools and documenting the unknown
  • Am more known for my interest in iOS
  • I am a fast learner
  • I like hardware based side channel attacks (CoreSight KTRW, WatchTower defeat with CPACR, Meltdown & Spectre)

Disclosed iOS Vulnerabilities

  • IOUSBFamily use after free
  • assetsd type-confusion
  • iBooks Denial-of-Service
  • Shortcuts App, partial sandbox escape

Current projects

  • Reverse engineering the NVME firmware
  • Flashing custom-made NVME firmware
  • Testing whether NVME firmware can turn off or alter IOMMU.
  • Research whether NVME can be a persistent side-channel to patching iBoot at SecureBoot time
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