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58 Tech
58 Tech
Sep 4, 2020 · Information Security

Understanding ASLR and Buffer Overflow Exploits on Linux

This article explains the concept of Address Space Layout Randomization (ASLR), illustrates how buffer overflow attacks work on Linux, shows step‑by‑step exploitation with disabled ASLR, analyzes memory layout calculations, and discusses the impact of PIE and modern mitigation techniques.

ASLRLinux securityPIE
0 likes · 6 min read
Understanding ASLR and Buffer Overflow Exploits on Linux
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Aug 28, 2020 · Information Security

Position Independent Code (PIC), Position Independent Executable (PIE), and Address Space Layout Randomization (ASLR) in Linux

The article explains how Position Independent Code (PIC) enables code to run at any address using GOT and PLT tricks, how Position Independent Executables (PIE) extend this to whole binaries, and how Linux’s Address Space Layout Randomization (ASLR) leverages PIE to fully randomize process memory, making exploitation significantly harder.

ASLRLinuxPIC
0 likes · 13 min read
Position Independent Code (PIC), Position Independent Executable (PIE), and Address Space Layout Randomization (ASLR) in Linux