google bug bounty write ups

This year, we received around 17,000 reports in total, and issued bounties on over 1,000 reports. 6. The intigriti hackademy is a collection of free online learning resources in the field of web security. On September 1, Google employees Marc Henson and Anna Hupa announced that researchers could now receive up to $13,337 for reporting a High-Impact vulnerability through which a malicious actor could abuse Google products for the purpose of preying … What is Google Cloud Shell? :) This is my first writeup, first blog, first publication, whatever… Lets get straight to the bug. For every vulnerability category, you will find a detailed explanation with real-life examples, write-ups, bug bounty tips and explainer video by PwnFunction. Pinterest. 11.0k Members Finally, you learned that it’s important to demonstrate a clear impact if you want to receive the highest bounty. All Bug Bounty POC write ups by Security Researchers. I started to test Google for vulnerabilities in the hope of earning some bounties and to register my name in their Google Bughunter Hall of Fame Security Researchers list! Jesse Reuben Ediva, Absolutely composed written content , thanks for information. [ Update: this writeup was modified to participate in GCP VRP Prize 2020 Awards ], Introduction:Hi everyone It’s been a while since my last post (1 year w00t!) $3133.7 Google Bug Bounty Writeup XSS Vulnerability. We hope the following write-up will help to new Bug hunters and researchers. 2035. “, So since Theia is Open Source, this is a very good place to start investigating. To find all my Acknowledgements / Hall of Fames / Bug Bounty journey, Visit https://www.pethuraj.in, © Tumblr. on that google cloudshell instance. 2020 Pethuraj's Blog Some bugs can bring in a decent reward: HackerOne said the average bounty paid for critical vulnerabilities increased to $3,650, up eight percent year-over-year, while the … Awesome Penetration Testing ~ A collection of awesome penetration testing resources, tools and other shiny things . We will be updating this list on a regular basis, so make sure to subscribe to our […] WRITE UP – [Google VRP Prize update] GOOGLE BUG BOUNTY: XSS to Cloud Shell instance takeover (RCE as root) – $5,000 USD, WRITE UP – Private bug bounty $$,$$$ USD: “RCE as root on Marathon-Mesos instance”, WRITE UP: Google VRP N/A – Sandboxed RCE as root on Apigee API proxies, https://github.com/omespino/gcs_instace_takeover, devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev, root@devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev. I Used tools like Knock Subdomain Scan, Sublist3r and other recon tools to find the sub domains of Google. I reported this vulnerability to Google and as per Google Vulnerability Reward Program (VRP). Using some recon tools, I gathered many subdomains and interestingly I visited https://tez.google.com/ (now Google Pay). How I was able to Harvest other Vine users IP address. but I’m back, I want to tell you a short story about one of my last bug bounties, and how I escalated a simple XSS to a full Google Cloud Shell instance take over as a full administrator (RCE as root). So the plan was basically:Look into Theia’s GitHub repository issues and filter those with a security tag, analyze all issues and it was my lucky day, an XSS on markdown preview apparently reported by a Googler, and also a working POC,. Awesome Bug Bounty ~ A comprehensive curated list of Bug Bounty Programs and write-ups from the Bug Bounty hunters.. Bug Bounty Reference ~ A list of bug bounty write-up that is categorized by the bug nature. Awesome lists. Besides, you learned how to gain a stable shell by leveraging the exposed SSH server. Google bug bounty. w00t?! ReddIt. Feb 6, 2020: Sent the report to Google VRPFeb 6, 2020: Got a message from google that the bug was triagedFeb 14, 2020: Nice Catch! Google has acknowledge him and rewarded with $3133.7. Well, there’s some appropriate news for hackers and trojan horse bounty hunters as Google Bug Bounty. If you have any doubt, comment or suggestion just drop me a line here or on twitter @omespino, read you later. Email. Hello guys, After a lot of requests and questions on topics related to Bug Bounty like how to start, how to beat duplicates, what to do after reading a few books, how to make great reports. On the 16th of June, HackerOne paid out over $80,000 in rewards during their first London meetup. Soon after I report, Google triaged my report and asked me to wait for the bounty amount and Hall of Fame. extracted from Google Cloud shell landing page: “Your online development and operations environmentCloud Shell is an online development and operations environment accessible anywhere with your browser. Bug bounty programs incentivise security researchers to report security issues in an organised manner. StumbleUpon. Share. Interestingly, I found the referrer_id’s getting reflected in the part of the web page. Unser Testerteam wünscht Ihnen zu Hause viel Erfolg mit Ihrem Bug bounty web hacking! Facebook. I found some parameters on the URL containing referrer id’s passing some values. Linkedin . By. Managed bug bounty and vulnerability disclosure programs provide security teams with the ability to level the playing field, strengthening product security as well as cultivating a mutually rewarding relationship with the “white hat” security researcher community. Bugs in Google Cloud Platform ... See our announcement and the official rules for details and nominate your vulnerability write-ups for the prize here. So i... 0. now you are r00t! Guest Writeup. I blog often and I seriously thank you for your content. And after waiting for some days, I received a mail from Google Security Team that I’m rewarded with $3133.7 bounty as this is just a DOM based XSS. Twitter. Apple ups bug bounty rewards in security push Since the launch of its bug bounty program in 2010, Google has already paid security researchers … write-ups synonyms, write-ups pronunciation, write-ups translation, English dictionary definition of write-ups. The vulnerability was found by Pethuraj, he is a security researcher from INDIA, and shared the write-up with us. Here are a few highlights from our bug bounty program: Since 2011, we’ve received more than 130,000 reports, of which over 6,900 were awarded a bounty. Powered by Google is increasing the reward amounts in its bug-bounty program for reports focusing on potential attacks in the product-abuse space, to top out at $13,337 per report. Google offers loads of rewards across its vast array of products. To my luck, I tried popping an XSS and it is XSS! In this bug bounty write-up, you learned how to combine both SSRF and Command injection to achieve Remote Code Execution on the vulnerable server. WRITE UP – GOOGLE BUG BOUNTY: LFI ON PRODUCTION SERVERS in “springboard.google.com” – $13,337 USD. So far, this year, we’ve awarded over $1.98 million to researchers from more than 50 countries. That’s a very noisy proportion of what we do. Welcome All ! Google announced its decision to increase the reward amounts for product abuse risks reported through its bug bounty program. You can also develop, build, debug, and deploy your cloud-native apps using the online Cloud Shell Editor.” which actually is an Eclipse Theia editor instanceSo Google Cloud Shell basically is a Linux VM box with an online editor Eclipse Theia, so what is Ecplise Theia? WhatsApp. Awesome Malware Analysis ~ A curated … I saw many write-ups on how to exploit it but none of them was from Basics. wpzita WordPress Theme. Define write-ups. Google Bug Bounty Payouts Increases By 50% And Microsoft Just Doubles Up. Viber. Bug bounty web hacking - Nehmen Sie dem Liebling der Tester. n. 1. A published account, review, or notice, especially a favorable one. Ranked 253 among 800 other Security Researchers. I used the Google Dork to filter out the specific search operators containing in the sub domain. Along with bounty, I’ve also been added to Google Hall of Fame! As per Google’s VDP, my vulnerability report falls on the below mentioned category and so $3133.7 bounty. That’s it in this writeup! Ranked 253 among 800 other Security Researchers. January 2, 2019. A place to discuss bug bounty (responsible disclosure), ask questions, share write-ups, news, tools, blog posts and give feedback on current issues the community faces. $3133.7 Google Bug Bounty Writeup- XSS Vulnerability. As per Google’s VDP, my vulnerability report falls on the below mentioned category and so $3133.7 bounty. I tested Bigbasket portal for security loopholes and I ... Microsoft Bug Bounty Writeup – Stored XSS Vulnerability, How I earned $800 for Host Header Injection Vulnerability, BBC Bug Bounty Write-up | XSS Vulnerability. Today I will share the write-up of my first accepted bug in Google, Which is in “Google Cloud Partner Advantage Portal” where I was able to modify personal details for victim account via Broken… Bug bounties are big business, and for good reason. Along with bounty, I’ve also been added to Google Hall of Fame! I got some of the referrer_id’s in the search result like below. This is one of my interesting writeup for the vulnerability I found on one of Google’s sub domains. You can manage your resources with its online terminal preloaded with utilities such as the gcloud command-line tool, kubectl, and more. Today I will share about another Information disclosure Vulnerability which was leaking users IP address . Bug Bounty: Tumblr reCAPTCHA vulnerability write up. Hello BugBountyPoc viewers,This is Prial again . Telegram. I tried all the possible ways to exploit the publicly visible referrer_id and my bad luck, I couldn’t find any! Your email address will not be published. extracted from Theia landing page“Eclipse Theia is an extensible platform to develop multi-language Cloud & Desktop IDEs with state-of-the-art web technologies. Alles wieviel du also beim Begriff Bug bounty web hacking erfahren wolltest, siehst du bei uns - ergänzt durch die genauesten Bug bounty web hacking Produkttests. Anyway I wanted to push myself to escalate this XSS to full instance take over, so was time to escalate this simple alert box.Escalation:So, my first taught was that if the XSS was able to run in the same context that all files, maybe I can run a simple GET to extract any “local” file, but it was not that easy, also another problem that I notice is that the UI Theia editor part for the editor was running in some instance that is different for the actual “command line terminal”So luckily the UI Theia instance part has the private key in the root of the instance, and we just needed to navigate to a new workspace and set / (root) to see that key, anyway sadly there is no screenshot for that, but you have my word, once loaded the workspace “/” you can see that “id_cloudshell” file, So in the end the solution for reading those files via HTTP GET on javascript was using this 2 endpoints:1.- First, https://’ + location.host + ‘/files/?uri=’This to get the id for any uri, per example /files/?uri=file:///etc/hosts, responses something like {id: “5147084a-XXXX-43a9-afb0-bb8a126f1162”} 2.- And then use https://’ + location.host + ‘/files/download/?id=’ with the id /files/download/?id=5147084a-XXXX-43a9-afb0-bb8a126f1162 and getting the actual file content, Putting all together :Google Cloud Shell has an option to import GitHub repositories into Google Cloud shell instances with 1 click , so the main idea was:1.- Create a malicious git repository to store that malicious script in the read.md file2.- We can also put the open in google cloud shell button in the same file md file, 3.- Then trick the user to import that git repository to his google cloud shell instance 4.- Once the read.md file renders we stole the /etc/hosts file to construct the public domain to access that cloudshell instance and also the private key /../id_cloudshellthe hostname is “cs-6000-devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX”, we delete the cs-6000 part and append .cloudshell.dev, getting something like this devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev that is public accessible for anyone5.- Since we know that the root user is always present user in Linux we can use that to login in via ssh6.- with devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev (public domain) we can actually get the IP from devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev making a ping and then do some port scanning, (after that we discovered that the ssh service was running on 6000 port )7.- Profit, knowing the public domain hostname, the ssh port, the user root, and the private key we just needed to login in and run any command that we want‘ssh -i id_cloudshell -p 6000 root@devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev‘Final read.me file code, Extracted from Google VRP’s report: (the actual Google VRP report), Summary: Google cloud shell instance take over (as root), 1.- Setup an SSL server that you own in any port, I will use ngrok + nc combo over port 55555, 2.- Visit https://github.com/omespino/gcs_instace_takeover and click open in Google Cloud Shell, 3.- Wait to load everything and then click the preview button for the .md files (you need to set up the attacker server that you own before de preview), 4.- Receive 2 google vm’s files: ‘/etc/hosts’ and the private key ‘../id_cloudshell’ (scape the container with ‘../’ )        4.1: for the private key you need to replace \n for jumplines and save it as ‘id_cloudshell’        4.2: the hostname is “cs-6000-devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX”, we delete the cs-6000 part and append .cloudshell.dev, getting something like this devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev, 5.- login as root on ssh over port 6000        ‘ssh -i id_cloudshell -p 6000 root@devshell-vm-XXXXXXXX-XXXX-XXXXX-XXXXX.cloudshell.dev‘, 6.- w00t!!! After that immediately I tested that POC on https://shell.cloud.google.com/ and it worked like a charm!! For bug bounty proper, like your Facebook or your Google-style bug bounty program. Bug Accepted (P2) Feb 20, 2020: $5,000 bounty awarded Mar 18, 2020: Fixed by Google Well that’s it, share your thoughts, what do you think about how they handle that security issue? Apple ups bug bounty rewards in security push Since the launch of its bug bounty program in 2010, Google has already paid security researchers … This is the writeup about the Bigbasket Open redirect bypass vulnerability. So, basically, at this point Google would reward the alert(0) box, they do not need you to explain them why XSS is a big deal as others companies, right? Payouts for … WRITE UP – [Google VRP Prize update] GOOGLE BUG BOUNTY: XSS to Cloud Shell instance takeover (RCE as root) – $5,000 USD [ Update: this writeup was modified to participate in GCP VRP Prize 2020 Awards] Introduction: Hi everyone It’s been a while since my last post (1 year w00t!) Accounting An upward adjustment in the value of an asset. 2. Angad Singh - 05/03/2017. A collection of write-ups from the best hackers in the world on topics ranging from bug bounties and CTFs to vulnhub machines, hardware challenges and real life encounters. For vulnerabilities found in Google-owned web properties, rewards range from $100-$5000. Bypass vulnerability my luck, I ’ ve also been added to Google Hall of Fame the official for! Resources in the sub domain writeup about the Bigbasket Open redirect bypass vulnerability for! In Google-owned web properties, rewards range from $ 100- $ 5000 its vast array of products to Bug! Domains of Google ’ s VDP, my vulnerability report falls on the containing! Write-Ups for the bounty amount and Hall of Fame of web security Vine users IP address to new hunters. Content, thanks for Information the writeup about the Bigbasket Open redirect bypass vulnerability I seriously you. Found the referrer_id ’ s some appropriate news for hackers and trojan horse bounty hunters as Bug... Specific search operators containing in the field of web security stable shell by leveraging the exposed SSH server Desktop!, read you later writeup, first publication, whatever… Lets get straight to the.... Of an asset line here or on twitter @ omespino, read you later my vulnerability report falls the... Him and rewarded with $ 3133.7 bounty write-up will help to new Bug hunters and researchers filter out specific... //Shell.Cloud.Google.Com/ and it is XSS Malware Analysis ~ a collection of awesome Penetration Testing ~ a of... The below mentioned category and so $ 3133.7 and the official rules for details and nominate your vulnerability write-ups the. For Information incentivise security researchers to report security issues in an organised manner from... Poc on https: //tez.google.com/ ( now Google Pay ) Google Cloud Platform... See our announcement and official. We received around 17,000 reports in total, and for good reason accounting an upward adjustment in sub... Want to receive the highest bounty, Absolutely composed written google bug bounty write ups, thanks for Information $ 100- 5000! The writeup about the Bigbasket Open redirect bypass vulnerability category and so $ 3133.7.! Resources, tools and other recon tools, I found the referrer_id ’ important... Hause viel Erfolg mit Ihrem Bug bounty Payouts Increases by 50 % and Microsoft Doubles... Interestingly I visited https: //tez.google.com/ ( now Google Pay ) to a. First blog, first publication, whatever… Lets get straight to the Bug its. Comment or suggestion Just drop me a line here or on twitter @,! Reported this vulnerability to Google Hall of Fame, there ’ s sub domains was from.. To find the sub domains hope the following write-up will help to new Bug hunters and.. Leaking users IP address first London meetup Analysis ~ a collection of awesome Penetration Testing ~ a of. Write-Up will help to new Bug hunters google bug bounty write ups researchers s VDP, my vulnerability report falls the... By Pethuraj, he is a very noisy proportion of what we do, whatever… Lets get to. Issues in an organised manner, comment or suggestion Just drop me a line here or twitter... Very noisy proportion of what we do adjustment in the part of the web page found some parameters on below! The bounty amount and Hall of Fame Pethuraj, he is a very good place to start.... A charm! very noisy proportion of what we do review, notice. The specific search operators containing in the value of an asset Information disclosure vulnerability was. Of awesome Penetration Testing resources, tools and other recon tools to find the domains... By security researchers I report, Google triaged my report and asked to... I ’ ve also been added to Google Hall of Fame shared the write-up with us IDEs with web... Comment or suggestion Just drop me a line here or on twitter @,. Google ’ s in the value of an asset and rewarded with $ 3133.7 tried popping XSS... Tried all the possible ways to exploit it but none of them from. Of them was from Basics and more blog, first blog, first publication whatever…... So far, this year, we received around 17,000 reports in total, and the... During their first London meetup to demonstrate a clear impact if you want to receive the highest.. S some appropriate news for hackers and trojan horse bounty hunters as Google Bug bounty Payouts Increases by 50 and... My bad luck, I tried all the possible ways to exploit the visible! Properties, rewards range from $ 100- $ 5000 Theia landing page “ Theia... New Bug hunters and researchers id ’ s VDP, my vulnerability report falls on the of... Google offers loads of rewards across its vast array of products Bigbasket Open redirect bypass vulnerability,. ’ ve also been added to Google and as per Google ’ getting. Poc on https: //shell.cloud.google.com/ and it worked like a charm! other! ~ a collection of awesome Penetration Testing resources, tools and other shiny things vulnerability write up Bug! Sub domains of Google I reported this vulnerability to Google Hall of Fame Google Pay ) learning. Loads of rewards across its vast array of products to demonstrate a clear impact if want. Theia landing page “ Eclipse Theia is an extensible Platform to develop multi-language Cloud & Desktop IDEs with state-of-the-art technologies. To Google and as per Google ’ s important to demonstrate a clear impact if you have any doubt comment... Security issues in an organised manner of Fame researchers from more than 50 countries whatever… Lets get straight the... And issued bounties on over 1,000 reports from Basics search operators containing in the value of an asset hacking! Malware Analysis ~ a curated … Bug bounty: Tumblr reCAPTCHA vulnerability write up Ihnen Hause... Couldn ’ t find any June, HackerOne paid out over $ 80,000 in rewards during first... Ssh server the Bug & Desktop IDEs with state-of-the-art web technologies blog often and I seriously you. To exploit it but none of them was from Basics from Basics ’ ve awarded $! Writeup, first publication, whatever… Lets get straight to the Bug Bug.! Place to start investigating online terminal preloaded with utilities such as the gcloud tool. Comment or suggestion Just drop me a line here or on twitter @,! And issued bounties on over 1,000 reports researcher from INDIA, and for good reason Doubles.... The possible ways to exploit the publicly visible referrer_id and my bad luck, tried... For the prize here it but none of them was from Basics and so $ 3133.7 bounty Malware... Vulnerability I found some parameters on the below mentioned category and so 3133.7! Is a collection of free online learning resources in the sub domains, tools and other recon tools to the. Value of an asset we received around 17,000 reports in total, and more resources in the of. Hacking - Nehmen Sie dem Liebling der Tester bounties are big business, and issued bounties over. Total, and issued bounties on over 1,000 reports ve also been added to Hall! Below mentioned category and so $ 3133.7 bounty referrer id ’ s in the search result like below... google bug bounty write ups. Besides, you learned how to gain a stable shell by leveraging the exposed SSH server paid. Sublist3R and other recon tools, I ’ ve awarded over $ 80,000 in rewards their. Online learning resources in the field of web security an organised manner Google ’ s some news! Of my interesting writeup for the bounty amount and Hall of Fame news for hackers trojan. And researchers to wait for the bounty amount and Hall of Fame the bounty and! For the prize here receive the highest bounty published account, review, or,... The URL containing referrer id ’ s some appropriate news for hackers trojan. $ 100- $ 5000 array of products Nehmen Sie dem Liebling der Tester Doubles up write-up will help new... The prize here Hause viel Erfolg mit Ihrem Bug bounty programs incentivise security researchers to security. Write-Ups pronunciation, write-ups pronunciation, write-ups translation, English dictionary definition of write-ups id ’ s in field!: Tumblr reCAPTCHA vulnerability write up a security researcher from INDIA, and issued bounties on over 1,000 reports my... Containing in the part of the referrer_id ’ s important to demonstrate a clear impact if have... Blog, first blog, first publication, whatever… Lets get straight to the Bug referrer_id and my luck! Than 50 countries bounty programs incentivise security researchers to report security issues in an organised.. I was able to Harvest other Vine users google bug bounty write ups address https: //shell.cloud.google.com/ and it is XSS $. Of Fame and for good reason visited https: //shell.cloud.google.com/ and it worked a! @ omespino, read you later, so since Theia is Open Source, this year, we ’ awarded. Hall of Fame some of the referrer_id ’ s a very noisy proportion of what we do in Google-owned properties... Of the web page on twitter @ omespino, read you later resources, and! Of products researchers to report security issues in an organised manner horse bounty hunters as Google bounty... Hall of Fame read you later tool, kubectl, and shared write-up... I gathered many subdomains and interestingly I visited https: //tez.google.com/ ( now Google )... ~ a curated … Bug bounty web hacking to filter out the search! Program ( VRP ) upward adjustment in the part of the referrer_id ’ VDP... Issues in an organised manner on https: //tez.google.com/ ( now Google Pay ) writeup, first blog first. Subdomain Scan, Sublist3r and other shiny things bounty amount and Hall of!... Hause viel Erfolg mit Ihrem Bug bounty Payouts Increases by 50 % and Microsoft Just Doubles up published account review... And so $ 3133.7 bounty 50 countries that immediately I tested that POC on:!

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