h1-ctf: 12 Days of CTF Walkthroughs

h1-ctf: 12 Days of Hacky Holidays This is my writeup for 12 Days of Hacky Holidays. The report is written such that beginners to CTFs will be able to learn the tricks of the trade. The Mission: The Grinch has gone hi-tech this year with the intention of ruining the holidays 😱We need you to...

h1-ctf: Hacky Holidays Writeup

On December 12th, 2020, the CTF became live and the scope that we are allowed to attack was In Scope Domain - hackyholidays.h1ctf.com Our main motive was to infiltrate his network and take him down. The challenges appeared one by one till 24th of December. Here we will be going through all the...

h1-ctf: [h1-ctf] 12 Days of Adventure to stop Grinch from ruining Christmas

--------------------------------------------------------------------------------------------------------------------------------------------------- Day 1: https://hackyholidays.h1ctf.com/robots.txt User-agent: Disallow: /s3cr3t-ar3a Flag: flag48104912-28b0-494a-9995-a203d1e261e7 Here we go with t...

h1-ctf: Taking Grinch Down To Save Holidays

Hi thank you Hackerone and Adam for organizing the CTF, this had honestly helped me to learn good skills and techniques. The CTF began with the scope: hackyholidays.h1ctf.com and mission to take down grinch So here's a quick visual summary of all the challenges F1131175 F1131176 1. Grinch Robots ...

h1-ctf: Grinch Networks compromised!

Grinch Networks compromised! For fast triage/validation and inspired by @manoelt in other CTF, I made a bash script to find and print all the 12 flags of this CTF. The script uses curl, wget, google-chrome headless for flag 2, unzip, grep and sed. If any of these commands is missing, the script...

h1-ctf: Complete destruction of the Grinch server

Hackyholidays flag 1 First flag is just a matter of reading /robots.txt file: User-agent: Disallow: /s3cr3t-ar3a Flag: flag48104912-28b0-494a-9995-a203d1e261e7 flag 2 Visiting /s3cr3t-ar3a and opening it with developer tools gets the second flag: flagb7ebcb75-9100-4f91-8454-cfb9574459f7 It is...

h1-ctf: Hackyholidays CTF writeup

Writeup for the hackyholidays CTF This CTF consisted of 12 challenges released daily in the 12 days leading up to christmas. The goal was to stop the Grinch from ruining christmas by slowly destroying the apps that he used to terrorize Santa and his elfs. The challenges were: 1. Robots.txt 2. DOM...

h1-ctf: h1 hacky holidays CTF solution

Simple script to print all the flags. Full solution to follow want to spend more time writing this, but am racing to be first 10 submissions: echo "Flag 1 -- robots.txt" curl https://hackyholidays.h1ctf.com/robots.txt 2/dev/null | grep flag echo "" echo "Flag 2 -- js descrambed --...

Visit Akamai at AWS re:Invent 2019

From December 2-6, the Las Vegas Strip will be jam-packed with tens of thousands of developers, engineers, admins, architects, and other technologists for AWS re:Invent, the annual learning conference hosted by Amazon Web Services for the global cloud computing community. Akamai is excited to be ...

HackerOne: Reporter, external users, collaborators can mark sent swag awarded to reporter as unsent

An Insecure Direct Object Reference IDOR vulnerability allow the reporter, external users, and collaborators to mark sent swag that was awarded to the reporter as unsent. This may result in swag being sent multiple times. Proof of concept Follow the steps below to reproduce the vulnerability. sig...

Badgelife: A Defcon 26 retrospective

One more year gone, one more Defcon completed. Defcon is the longest-running security conference in existence and one that I have been attending since Defcon 18. It is an opportunity to see and interact in real life with industry peers that would forever remain a digital persona otherwise. It is...

HackerOne: Exposing hackerone users personally identifiable information by abusing sandbox with swag reward enabled

Hi HackerOne Team, Summary: I have found a critical bug but this will require a bit user interaction, BUT please take note that once exploited, a hackerone user's PII - personally identifiable information can be exposed. I have found this bug by using the sandbox with swag reward enabled . --- Le...

WordPress: [mercantile.wordpress.org] Reflected XSS via AngularJS Template Injection

Hi, By injecting a crafted AngularJS payload into the search endpoint on the WordPress Swag Store, it was possible to achieve reflected XSS further to resolved report 221893. I came across a potential exploitation vector after noticing that a search query for 22 returned 4 in the site title...

HackerOne: Lack of length validation on user address attribute

Hi The input fields for adding mailing address for swag delivery in https://hackerone.com/settings/swags are not restricted in input lengths. I was able to add and read the contents via my own address page and the team pagewho awards the swag over 585728 characters in each of the input fields Nam...

HackerOne: Internal bounty and swag details disclosed as part of JSON response

Hello Hackerone team !!!! If Some company take option like this : Show minimum bounty on the program page? Do not display the minimum bounty on the program page. for example : https://hackerone.com/███████████ Private bounty details "basebounty":10 https://hackerone.com/████ Private swag details...

Self Stored Cross site scripting

panel:bgColor=e7f4fa NOTE: This bug report is for Confluence Server. Using Confluence Cloud? See the corresponding bug report|http://jira.atlassian.com/browse/CONFCLOUD-47188. panel Product: http://swag.atlassian.com Vulnerability Type: Self Stored Cross site scripting Cross site scripting...