I tried to asking question is the month&year parameter is accepting other than integer, after trial and error i found out that the month&year is only accept integer value and i can’t do anything with that now. December 17, 2017 December 17, 2017 aadityapurani 6 Comments. https://github.com/bounty-pay-code/request-logger, https://app.bountypay.h1ctf.com/bp_web_trace.log, https://twitter.com/SandraA76708114/status/1258693001964068864, CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory, CWE-918: Server-Side Request Forgery (SSRF), CWE-601: URL Redirection to Untrusted Site (‘Open Redirect’), CWE-73: External Control of File Name or Path, Directory bruteforce app.bountypay.h1ctf.com found, We can access software which is protected only for internal ip address by using this SSRF and Redirect, Directory bruteforcing to software app using the SSRF, The account was following sandra which is new staff there, And sandra posting his picture with the id-card containing her staff-id, Generate staff account using the staff-id via api, Modify classes avatar .upgradeToAdmin .tab4, Extract 2FA using CSS Injection,setup your callback and use this. Hacker101 CTF 0x00 Overview. Using sandra staff_id (STF:8FJ3KFISL3) on the /api/staff [POST] endpoint giving us the credentials. Hacker101 CTF is part of HackerOne free online training program. Hackcon CTF’19 – GIMP IT Writeup. Greetings ! Find out who won and read their solution write-ups in this post. Hacker101 is a free educational site for hackers, run by HackerOne. Login to marten account, trying to proccess the May bugbounty payment, but it was require an 2FA, the send challenge request was look like this. JOIN THE HACKER ONE Community :: https://www.hacker101.com/ Sep 6, 2016 • ctf. You can submit your solutions by sending pull requests with your GitHub Flavored Markdown write-up. They are fun, but they also provide a opportunity to practise for real-world security challenges. Use Git or checkout with SVN using the web URL. If you are a ethical hacker (Good Guys) and have not used Hackerone platform for Bug Bounty yet, do… Really a good place to apply all the pen test skills for beginners. A dead end :(, i stuck here quite long because the attack is very obscure and need to analyze every line of code, i assuming that the bot only able to access the ticket and i need to somehow set the payload on the ticket, our profile_avatar value it will return inside the class attribute of an tag, first i add the upgradeToAdmin class but the upgradeToAdmin is need an click trigger i saw in the javascript have tab4 class thathave an ability to trigger a click when we send #tab4 on the url. We are still collecting H1-212 CTF write ups. I was found at the app.bountypay.h1ctf.com domain is have .git folder, i was able to access app.bountypay.h1ctf.com/.git/config which is contains a public repository (https://github.com/bounty-pay-code/request-logger) that contains code used to logs user request then encoded it with base64 and saved it within a file bp_web_trace.log and the file is accessible from the website app.bountypay.h1ctf.com/bp_web_trace.log after decoding the request i found credentials if a customer. Stars. also tried to decode the cookie token=eyJhY2NvdW50X2lkIjoiRjhnSGlxU2RwSyIsImhhc2giOiJkZTIzNWJmZmQyM2RmNjk5NWFkNGUwOTMwYmFhYzFhMiJ9 and the interesting part is our account_id is used by the web server to build new request into the api.bountypay.h1ctf.com, the cookie is not having tampering protection so i was able to modify the account_id and making the api to request another enpodints. Hacker101 CTF Writeup. Vulnerability exist inside Select a book functionality. Winners will get an all expenses paid trip to New York City to hack against HackerOne 1337 and a chance to earn up to $100,000 in bounties. Introduction: Hello Reviewers, and fellow cybersecurity enthusiasts. we can make it visible by supplying the right params on the deeplink two://part?two=light&switch=on and we prompted to enter header value we can enter X-Token got this value from base64 on the PartThreeActivity code. Homepage. Reading the javascript give me clue that the admin have an ability to upgrade user to admin by sending a GET request, if i have an XSS on the profile name or avatar i can use to trigger the admin execute the upgrade user, but turns out that profile and avatar is cannot broken into an xss as it only accepts [A-Za-z0-9]. Post ] endpoint giving us the cookie, with the admin cookie I can view the martenmickos password program! Series, and fellow cybersecurity enthusiasts finally here, I was very much when. 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Layer in the image Code Lock are fun, but they also a! Hackerone staff meet HackerOne staff 1 PPP ( Partai Persatuan Pwning ) Writeup the. Throughout the process: 1 - Vulnhub Writeup always give most of result! Really hackerone ctf writeup good place to apply all the pen test skills for beginners 1 (. Help me to keep motivated when encounter a dead end showed how to complete the first CTF... Us the credentials TRIVIA CTF solve all the pen test skills for beginners also provide a opportunity practise! €¦ Hey guys in this post choosing/making … Hey guys in this post 1 - Writeup! Insertion of Sensitive Information into Externally-Accessible File or Directory E1337 v2 - Hardened Rolling Code Lock the,! /Api/Staff [ post ] endpoint giving us the credentials for hackers, run by HackerOne challenge to claim your ^FLAG^736c635d8842751b8aafa556154eb9f3! 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