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Race For Root: The Analysis Of The Linux Kernel Race Condition Exploit (SHA2017)

Race For Root: The Analysis Of The Linux Kernel Race Condition Exploit (SHA2017)

Chaos Computer Club - SHA2017: Still Hacking Anyway (mp3) · Alexander Popov

August 6, 201754m 26s

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Show Notes

CVE-2017-2636 is a 7-year old race condition in the Linux kernel that was fixed by Alexander Popov in March, 2017. This vulnerability affected all major Linux distributions. It can be exploited to gain a local privilege escalation. In this presentation Alexander will describe the PoC exploit for CVE-2017-2636. He will explain the effective method of hitting the race condition and show the following exploitation techniques: turning double-free into use-after-free, heap spraying and stabilization, SMEP bypass. #DeviceSecurity about this event: https://c3voc.de

Topics

SHA2017295