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ASLR Minix

ASLR Minix. Wade Gasior. 1. Stack Randomization. STACK. BP. Approach: Randomize GAP size. GAP. DATA. TEXT. / usr / src /servers/pm/ exec.c. Edits to exec.c. 2. Heap Randomization. STACK. BP. Approach: malloc random space (prior to first malloc ). GAP. RANDOM SPACE. DATA.

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ASLR Minix

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  1. ASLR Minix Wade Gasior

  2. 1. Stack Randomization STACK BP Approach: Randomize GAP size GAP DATA TEXT

  3. /usr/src/servers/pm/exec.c Edits to exec.c

  4. 2. Heap Randomization STACK BP Approach: malloc random space (prior to first malloc) GAP RANDOM SPACE DATA TEXT

  5. /usr/src/lib/ansi/malloc.c

  6. 3. Test: print-adds.c

  7. Test Results

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