asepsaepdin/cve-2021-3156Proof-of-concept exploit for CVE-2021-3156, a heap-based buffer overflow in sudo that allows local privilege escalation to root via sudoedit -s.
⚠️ For educational and authorized security research purposes only
Very grateful to the original PoC author Qualys Research Team
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
Install git, then clone the script from the github repository:
sudo apt install git -y
git clone https://github.com/asepsaepdin/CVE-2021-3156.git
Compile the PoC using command:
make
Run the PoC using command:
./exploit