Intermediate, Rootable, Timed

aryabhata / 0.0.0.0

7: Flags (3:app, 2:system, env, root)
2: Services
6,250 pts
Avg. headshot: 102,128 minutes

78%

Level 11 / Senior PenTester

vicky5 / 132nd Place

5: Flags found
2: Services discovered
5,000 pts

Aryabhata, the great mathematician of the classical age, invites you to test your math security skillz... His definitions of sine (jya), cosine (kojya), versine (utkrama-jya), and inverse sine (otkram jya) influenced trigonometry as a whole.

You will have to somehow create an equation that will elevate your status from a mere web user to a nodejs debugger.

You will have to use a version of chrome that is compatible (eg chrome 68.0.3440.84 (Official Build) (64-bit)) with the installed nodejs version.

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vicky5 Got the ETSCTF username flag from the /etc/passwd file of a server for 1300 points, 25 months ago
vicky5 Discovered the ETSCTF username flag under the shadow file of aryabhata for 1300 points, 25 months ago
vicky5 Got the /root flag folder of aryabhata for 1500 points, 25 months ago
vicky5 Got a source code flag from aryabhata for 350 points, 25 months ago
vicky5 Got more maths on aryabhata for 350 points, 25 months ago
vicky5 Discovered a web based service too early at aryabhata for 100 points, 26 months ago
vicky5 Went through a rabbit hole at aryabhata for 100 points, 26 months ago