HackerOne: Validation message in Bounty award endpoint can be used to determine program balances

Summary: Hi team, Found a idor in Checking if a Team has sufficient fund to award Steps To Reproduce 1. Start a new program and login to the account 2. A demo Report will be there 3. Then Set award Amount $100 4. Set award and intercept the request 5. change the reportids to 262262 262262 - mixma...

HackerOne: IDOR on Program Visibilty (Revealed / Concealed) against other team members

Hi HackerOne Team, Summary: When you are a part of a program security team, you have a choice to show in your profile that you are a member of the sec team, you can also hide it if you don't want to show it to your profile, any team member can do that using your profile settings here:...

Electroneum: Hackerone [Mainsite Vulnerability]

96 Hello, I was checking out the website Electroneum – Crowdfunding Token Sale – Electroneum – the mobile based cryptocurrency for any vulnerabilities through hackerone. I would like to submit a vulnerability for consideration towards a bounty. Currently you have the file...

HackerOne: Information Disclosure when /invitations/<token>.json is not yet accepted

Hi Team, Summary: First, i just want to clarify that this finding seems a purely human mistake from one of the hackerone member team who created a summary of this report: 283309 --- I have found that you guys HackerOne was disclosing email address and private program as part of this report summar...

HackerOne: Program profile metrics endpoint contains mean time to triage, even when turned off

Description Include Impact: when a bug bounty program disables its profile metrics which shows the Response Efficiency, there still some data leaked in the response of the the following endpoint: hackerone.com/PROGRAMHANDLE/profilemetrics.json this endpoint leaks the meantimetotriage although the...

HackerOne: Additional bypass allows SSRF for internal netblocks

It turns out there is another bypass in the privateaddresscheck gem. The gem does not include 0.0.0.0 in the exclusion list in the first place. irbmain:001:0 require 'privateaddresscheck' = true irbmain:002:0 PrivateAddressCheck.privateaddress?"0.0.0.0" = false I was able to bypass your filter by...

Aspen: Email Spoofing

There is an Email Spoofing Vulnerability. Steps to reproduce: 1 Go to http://emkei.cz/ 2 Fill "From Email" field to [email protected] or any other aspen email. 3 Fill the victim's address your address to "TO" field and fill in other details as you wish. You will receive email from aspen admin...

Ruby: Resolv::getaddresses bug that can be abused to bypass security measures.

Description Resolv::getaddresses is OS-dependent, therefore by playing around with different IP formats one can return blank values. This bug can be abused to bypass exclusion lists often used to protect against SSRF. | 💻 Machine 1 | 💻 Machine 2 | |--------------|---------------| | ruby 2.3.3p222...

HackerOne: Blind SSRF in "Integrations" by abusing a bug in Ruby's native resolver.

Summary HackerOne allows bug bounty programs to integrate their reports queue with issue tracking tools such as Jira and Phabricator. By abusing a bug that I discovered in Ruby's native resolver, I am able to bypass the SSRF filter and could potentially scan your internal network. Vulnerability...

Gratipay: Saying goodbye to HackerOne and Gratipay.

Thank you, HackerOne I would like to make this the final report to Gratipay and thank everyone that was involved in this amazing journey. Gratipay is shutting down at the end of the year https://gratipay.news/the-end-cbfba8f50981 and to finish on a happy note we closed all of our reports as...

Gratipay: i am The bug

I am the bug i found a bug in your site here it is F234717 my friend are the greatest hackers hackerone.com/s4k16 and smziaurrashid told me u will giv me $$$ for my father F234723...

HackerOne: Reverse Tabnabbing Vulnerability in Outgoing Links

The external links in the reports are not properly handled, using the issue the links can access the openers and replace them with some other page. To Verify the issue, just go to any report which do have any external link and inspect the proceed button. Where the issue lies: rel="noreferrer"...

HackerOne: Private partial disclosure of h1 infrastructure

Description I've found that following servers & services can be potentially interesting when attacking h1-infrastructure: Payments Admin ██████ API Docs ██████████ API █████████ MailCatcher ██████████ Story Book ███ Karma ████████ Core Test Server █████████ Core Staging ████ Core Production...

HackerOne: Private Program all members disclosed

After receiving an invite to a private program, it was possible to view all of its team members: https://hackerone.com/invitations/invitation code.json "teammembers":"username":"","username":"","username":"","username":"","username":"","username":""...

Slack SAML authentication bypass

tl;dr I found a severe issue in the Slack's SAML implementation that allowed me to bypass the authentication. This has now been solved by Slack. Introduction IMHO the rule 1 of any bug hunter note I do not consider myself one of them since I do this really sporadically is to have a good RSS feed...

HackerOne: View Any Program's Team Members through GET https://hackerone.com/invitations/

@nickcas discovered that it was possible to view all the team members of a program through a JSON response that is sent when a user is invited to collaborate on a report via the /invitations/ endpoint. He was able to provide a very clear PoC, which consisted of a list showing all the members of t...

FreeBSD : GitLab -- multiple vulnerabilities (418c172b-b96f-11e7-b627-d43d7e971a1b)

GitLab reports : Cross-Site Scripting XSS vulnerability in the Markdown sanitization filter Yasin Soliman via HackerOne reported a Cross-Site Scripting XSS vulnerability in the GitLab markdown sanitization filter. The sanitization filter was not properly stripping invalid characters from URL...

Google Play Store Launches Bug Bounty Program to Protect Popular Android Apps

Better late than never. Google has finally launched a bug bounty program for Android apps on Google Play Store, inviting security researchers to find and report vulnerabilities in some of the most popular Android apps. Dubbed "Google Play Security Reward," the bug bounty program offers security...

HackerOne: Issue with password change in Disabled Account

Hello Hackerone, Summary: I have found that 38343 is not yet fully fixed, disabled user is not always gets notification about password change when a password is changed via password reset link, then such a notification is not send to the disabled user. Description Include Impact: When a password...

HackerOne: Pending member invitations are not revoked on program name change

Summary: When private program updates the handle of the hackerone program, former team members can see the new updated handles using old invitation link. The invitation link looks like https://hackerone.com/invitations/ This may also be true for participants participating in private programs but ...