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CVE-2019-18634 — My n-day exploit for CVE-2019-18634 (local privilege escalation) | Kitploit
Tools/GitHubGitHub/aesophor/cve-2019-18634
Privilege EscalationVulnerability AnalysisExploitationPenetration TestingRed TeamingBinary Exploitation
GitHubaesophor/cve-2019-18634

CVE-2019-18634

My n-day exploit for CVE-2019-18634 (local privilege escalation)

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53165 years agoNot yet reviewed

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CVE-2019-18634 N-Day Exploit

Slides

https://docs.google.com/presentation/d/11DpUy9Ll_HeuPRSgzaTARHPwlq01v_yyqbnJURlG9Ss/edit?usp=sharing

Requirements

  • Ubuntu 20.04
  • sudo 1.8.25 (see below for how to build it manually)
  • Python3
  • pwntools

Enable pwfeedback

sudo visudo

Change this line

Defaults env_reset

To this

Defaults env_reset,pwfeedback

Checkout sudo 1.8.25

git clone https://github.com/sudo-project/sudo
cd sudo
git fetch --all --tags
git checkout SUDO_1_8_25

Install Pwntools

sudo apt-get update
sudo apt-get install python3 python3-pip python3-dev git libssl-dev libffi-dev build-essential
sudo python3 -m pip install --upgrade pip
sudo python3 -m pip install --upgrade pwntools

Configure and Build

./configure --prefix=/usr/local
make
sudo make install

Clone this repo and Run

git clone https://github.com/aesophor/CVE-2019-18634
cd CVE-2019-18634
./exploit.py
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