Can we find function pointers to exploit the heap?

2021-09-19

[public] 14.2K views, 1.68K likes, 11.0 dislikes audio only

We develop a helper script to find function pointers we could maybe overwrite with our heap overflow. This is another episode in the sudo series.

Complete playlist:

https://www.youtube.com/playlist?list=PLhixgUqwRTjy0gMuT4C3bmjeZjuNQyqdx

Grab the files: https://github.com/LiveOverflow/pwnedit

Episode 10:

00:00 - Intro

00:46 - Research Idea

01:29 - Collecting Data

02:20 - Developing Python Script

03:34 - Finding Potential Function Pointers

04:01 - Verify if pointers are usable

05:07 - Function Pointer Candidate #1

05:58 - Function Pointer Candidate #2

06:47 - Evaluate the Research Methodology

08:00 - What's Next?

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