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Black Hat (Youtube)
Spectra: Breaking Separation Between Wireless Chips

Nowadays wireless technologies are increasingly sharing spectrum. This is the case for Wi-Fi and Bluetooth, but also some LTE bands and harmonics. Operating on the same frequency means that these different technologies need to coordinate wireless spectrum access to avoid collisions. Especially for nearby sources, as it is the case for multiple chips within one smartphone, so-called coexistence is the key to high-performance spectrum sharing.

By Jiska Classen and Francesco Gringoli

Full Abstract & Presentation Materials: https://www.blackhat.com/us-20/briefings/schedule/#spectra-breaking-separation-between-wireless-chips-20005

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Black Hat (Youtube)
iOS Kernel PAC, One Year Later

In February 2019, I reported to Apple five ways to bypass kernel Pointer Authentication on the iPhone XS . My impression was that the design, while a dramatic improvement on the ARMv8.3 standard, had some fundamental issues when defending kernel control flow against attackers with kernel memory access. This talk will look at how PAC has (and hasn't) improved in the subsequent year, once again concluding with five new ways to bypass kernel PAC to obtain arbitrary kernel code execution on iOS 13.3.

By Brandon Azad
Full Abstract & Presentation Materials: https://www.blackhat.com/us-20/briefings/schedule/#ios-kernel-pac-one-year-later-19726

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A Decade After Stuxnet's Printer Vulnerability: Printing is Still the Stairway to Heaven

In 2010, Stuxnet, the most powerful malware in the world revealed itself, causing physical damage to Iranian nuclear enrichment centrifuges. In order to reach Iran's centrifuges, it exploited a vulnerability in the Windows Print Spooler service to gain code execution as NT AUTHORITY\SYSTEM. Due to the hype around this critical vulnerability, we (and probably everyone else) were pretty sure that this attack surface would no longer exist a decade later. We were wrong…

By Peleg Hadar and Tomer Bar

Full Abstract & Presentation Materials: https://www.blackhat.com/us-20/briefings/schedule/#a-decade-after-stuxnets-printer-vulnerability-printing-is-still-the-stairway-to-heaven-19685

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[Finding Hidden Login Endpoint Exposing Secret Client ID](https://medium.com ``````...

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