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security

A collection of 4 issues

Trying Out Binary Ninja's new WARP Signatures with IPSW Diff'ing

Binary diff'ing is pretty complex, but being able to apply markup from one binary to another is quite powerful. Binary Ninja's new WARP extends previous efforts, using SigKit, to quickly identify library functions.

Kernel Level Protections: Supervisor Mode Execution Protection (SMEP) - Part I

Supervisor Mode Execution Protection, or SMEP is a kernel protection mechanism originally developed by Intel in 2011 for their x86 and amd64 architecture processors. It prevents code running in the context of the kernel from executing any code in userland memory.

AddressSanitization and Why You Should Use It

A quick guide on using AddressSanitization to find memory corruptions bugs at run-time.

The Problem with Open Source Software Security

Reporting vulnerabilities in open-source software is a nightmare. How can we make it better?