We need oxygen: Difference between revisions
No edit summary |
No edit summary |
||
| (5 intermediate revisions by the same user not shown) | |||
| Line 11: | Line 11: | ||
====Solution 1==== | ====Solution 1==== | ||
Open the link in a new tab. Right click on the slider, then "Inspect". | Open the link in a new tab. Right click on the slider element witch won't change status on clicking, then "Inspect". Local source code with the following line: <code><input type="checkbox" id="check0" name="pump" disabled=""></code> | ||
Right click "Edit as HTML". | Right click "Edit as HTML" on that line. Remove <code>disabled=""</code> from code. The code should now read <code><input type="checkbox" id="check0" name="pump"></code> | ||
Repeat steps for the next 3 sliders. You should now be able to toggle the Admin sliders to on and update settings. The flag is shown as a pop-up message | Repeat steps for the next 3 sliders. You should now be able to toggle the Admin sliders to on and update settings. The flag is shown as a pop-up message | ||
====Solution 2==== | ====Solution 2==== | ||
Explore the source file for some interesting looking javascript code. You will find a obfuscated source file at the end of the source file. In that source file, a table catches your eye with some clearly Base64 encoded information. By decoding this data, you get a flag directly. | |||
[[File:We-need-oxygen-js.PNG|center|We need oxygen javascript|frame]] | |||
===Tools=== | ===Tools=== | ||
Latest revision as of 09:26, 16 September 2022
Description
You get access to the Intensive Care Ward, where the situation is chaotic. A number of patients are suffering, because the central oxygen delivery system is malfunctioning. IT-technician is losing his mind, because he is stuck with the following system which should deliver oxygen to patients. You offer your help.
50 p
Question
Turn ON oxygen to all rooms. The oxygen control system is located at: http://target04.i1.cybexer.io
Solution
Solution 1
Open the link in a new tab. Right click on the slider element witch won't change status on clicking, then "Inspect". Local source code with the following line: <input type="checkbox" id="check0" name="pump" disabled="">
Right click "Edit as HTML" on that line. Remove disabled="" from code. The code should now read <input type="checkbox" id="check0" name="pump">
Repeat steps for the next 3 sliders. You should now be able to toggle the Admin sliders to on and update settings. The flag is shown as a pop-up message
Solution 2
Explore the source file for some interesting looking javascript code. You will find a obfuscated source file at the end of the source file. In that source file, a table catches your eye with some clearly Base64 encoded information. By decoding this data, you get a flag directly.
Tools
Flag
ctftech{cb002044-109b}
