Sudo Exploit for (old) Ubuntu 20.04 LTS

2022-02-12

[public] 35.4K views, 3.66K likes, dislikes audio only

This is the end. We finally develop a working sudoedit exploit for Ubuntu 20.04.

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

Grab the iso: https://old-releases.ubuntu.com/releases/20.04/

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

Second Channel: https://www.youtube.com/c/LiveUnderflow

Twitch: https://www.twitch.tv/liveoverflow

Episode 17:

00:00 - Intro

00:42 - Ubuntu VM Setup

02:09 - Fuzzing sudoedit

02:51 - Revisiting an Old Issue

04:11 - Exploring _tsearch Crashes

06:49 - Creating PoC Exploit

08:22 - Minimize and Testing Exploit

09:06 - Fuzzing Statistics

10:48 - Conclusion

11:52 - Outro

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