đŸ–„ïžPolkit: CVE-2021-3560

Walkthrough room for CVE-2021-3560

https://tryhackme.com/room/polkit
Room Attributes
Value

Subscription Required

False [Free]

Type

Walkthrough

Difficulty

Info

Tags

Polkit, Ubuntu 20.04, CVE-2021-3560, Walkthrough

Task 1 - Info Deploy!

Click the green "Start Machine" button to deploy the machine!

Task 2 - Info Important! About Dynamic Flags

Read the information in the task. What is the URL of the website you should submit dynamic flags to?

Reveal Flag đŸš©

đŸš©https://flag.muir.land/

Task 3 - Tutorial Background

In what version of Ubuntu's policykit-1 is CVE-2021-3560 patched?

Reveal Flag đŸš©

đŸš©0.105-26ubuntu1.1

What program can we use to run commands as other users via polkit?

Reveal Flag đŸš©

đŸš©pkexec

Task 4 - Tutorial Exploitation Process

Read the information above

Task 5 - Practical Do it for yourself!

Root Flag

Reveal Flag đŸš©

đŸš©THM{N2I0MTgzZTE4ZWQ0OGY0NjdiNTQ0NTZi}

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