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Exploiting Buffer overflows on MIPS architectures.


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Sadolock

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EXPLOITING BUFFER OVERFLOWS ON MIPS ARCHITECTURES

 

A Walkthrough by Lyon Yang @l0Op3r

Editing and Support: Bernhard Mueller

 

Table of Contents

1. Introduction............................................................................................................. 3

2. Triggering and Debugging the Exploit....................................................................... 3

3. Cache Incoherency ................................................................................................... 7

4. Overcoming ASLR..................................................................................................... 8

5. Using ROP Gadgets .................................................................................................. 9

6. Writing the exploit – Calculating Offsets ................................................................ 14

7. Writing the exploit – Writing the MIPS Shellcode Encoder ..................................... 17

8. Writing the exploit – fork() Shellcode..................................................................... 22

 

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Edited by Sadolock, 16 April 2016 - 04:44 AM.

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