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On this page
  • 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?
  • Task 3 - Tutorial Background
  • In what version of Ubuntu's policykit-1 is CVE-2021-3560 patched?
  • What program can we use to run commands as other users via polkit?
  • Task 4 - Tutorial Exploitation Process
  • Read the information above
  • Task 5 - Practical Do it for yourself!
  • Root Flag
  1. Difficulty: Info
  2. CVE Walkthroughs

Polkit: CVE-2021-3560

Walkthrough room for CVE-2021-3560

PreviousOverlayFS: CVE-2021-3493NextPwnkit: CVE-2021-4034

Last updated 2 years ago

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!

No answer needed

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?

Task 3 - Tutorial Background

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

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

Task 4 - Tutorial Exploitation Process

Read the information above

No answer needed

Task 5 - Practical Do it for yourself!

Root Flag

Reveal Flag
Reveal Flag
Reveal Flag
Reveal Flag

https://flag.muir.land/

0.105-26ubuntu1.1

pkexec

THM{N2I0MTgzZTE4ZWQ0OGY0NjdiNTQ0NTZi}

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