HackerOne: Recently added 'Country' field doesn't send email notification when changed

Summary: Hi team, This is a small bug report. Actually I think there is no important security issue but I wanted to report it ¯\ツ/¯ If you change your 'Country' information on account settings, HackerOne doesn't send Your profile was recently changed email. Description: There is an email...

HackerOne: Pentester can obtain information about other pentesters who applied for the same test, but weren't accepted

Hi team, I don't know your policy about pentestersabout their visibility on the platform, But I couldn't find any other pentesters before. 1 For example: GraphQL has the h1pentester attribute that would explicitly point us to the pentester, but if we make a query, it doesn't reveal the pentester ...

FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation Exploit

This Metasploit module exploits a race and use-after-free vulnerability in the FreeBSD kernel IPv6 socket handling. A missing synchronization lock in the IPV62292PKTOPTIONS option handling in setsockopt permits racing ip6setpktopt access to a freed ip6pktopts struct. This exploit overwrites the...

GSA Bounty: Denial of service via cache poisoning on https://www.data.gov/

An attacker can persistently block access to any on https://www.data.gov/ by using cache poisoning with the h0st headers to cause 502 response code。 To replicate: load https://www.data.gov/ in your browser. look the burp , add ?xyzxyz=1 as cache buster , and add h0st headers h0st: wrtqvavjigwdvoq...

GSA Bounty: Wordpress Users Disclosure (/wp-json/wp/v2/users/) on data.gov

Summary: Hello TTS Bug bounty team! I have found data.gov User/admin usernames disclosed. Using REST API, we can see all the WordPress users/author with some of their information. Steps To Reproduce: You can find the information disclosure by going to data.gov/wp-json/wp/v2/users/ Supporting Vide...

HackerOne: Making program preference -> program visibilty feature usless and disclosing API Identifier in the progress and data that may cause potential IDORS.

@spongebhav identified a vulnerability that let a victim believe their program membership wasn't shown on their profile, when in reality, it was. This could be used to identify system users of a program when the program blocked this...

MTN Group: [play.mtn.co.za] Application level DoS via xmlrpc.php

Description Wordpress that have xmlrpc.php enabled for pingbacks, trackbacks, etc. can be made as a part of a huge botnet causing a major DOS/SSRF. The website play.mtn.co.za has the xmlrpc.php file enabled and could thus be potentially used for such an attack against other victim hosts. hackeron...

Ruby on Rails < 6.0.3.2 DoS Vulnerability

Ruby on Rails is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

U.S. Dept Of Defense: Remote Code Execution via CVE-2019-18935

Summary: The website at https://█████████/apps/XTRAHome/Telerik.Web.UI.WebResource.axd?type=rau is vulnerable to CVE-2017-11317 and CVE-2019-18935, allowing an attacker to upload arbitrary files and gain remote code execution on the underlying system. Step-by-step Reproduction Instructions 1...

Verizon Media, PayPal, Twitter Top Bug-Bounty Rankings

Bug-bounty programs have become a popular way for vendors to root out security flaws in their platforms, attracting talented white-hats with the promise of big rewards. According to HackerOne’s 2020 List of the Top 10 Bug Bounty Programs on its platform, Verizon Media, PayPal and Uber are in the...

Open-Xchange: Null dereference or redundant null check in `mail_crypt_load_global_private_key` for plugin mail-crypt

In this function, we check once if errorr is not NULL in if enctype == DCRYPTKEYENCRYPTIONTYPEPASSWORD / Fail here if password is not set since openssl will prompt for it otherwise / if keypassword == NULL if errorr != NULL errorr = tstrdupprintf"%s: %s unset, no " "password to decrypt the key",...

Courier: Missing rate limit in signup Form

Hello Team , Description When signing up for an account, you enter your email. When this email is already in use, the server responds with "UserConfirmed":true,"UserSub":"ae294fff-6d55-407d-9676-1f3518029037" This in not a problem, but the fact that you could send this request unlimited times is...

U.S. Dept Of Defense: Stored XSS at ██████userprofile.aspx

Summary: Stored XSS vulnerability exists at ██████████userprofile.aspx under "say something about yourself...". XSS can be used for a variety of attacks. Impact XSS can be used to steal cookies, password or to run arbitrary code in the victim's browser. Step-by-step Reproduction Instructions 1...

Needle - Instant Access To You Bug Bounty Submission Dashboard On Various Platforms + Publicly Disclosed Reports + #Bugbountytip

Chrome extension for Instantaccess to your bug bounty submission dashboard of various platforms + publicly disclosed reports + bugbountytip Needle is the only chrome extension you may need to have one click access to your bug submissions across various platforms. No need to create any bookmark,...

h1-ctf: [H1-2006 2020] Bounty Pay CTF challenge

H1-2006 2020 Bounty Pay CTF challenge Hi there! This is my H1-2006 CTF writeup submission. First of all, thanks for the great challenge! This was my first H1 CTF that I played. I really enjoyed doing it and I learned new things solving this challenge. In my case, it was the demonstration that I...

h1-ctf: [h1-2006 2020] CTF Walkthrough

h1-2006-ctf Writeup June 2020 https://hackerone.com/h1-ctf/ The Competition Begins! The tweet announces the CTF challenge. Looks like we will need to find a way to process some payments. F863442 Initial Exploring Reading up on the extended description at https://hackerone.com/h1-ctf/ reveals that...

h1-ctf: [h1-2006 2020] Write up for H1-2006 CTF

I huffed and puffed my way up a flight of stairs into a dimly lit, dusty room, looking for Sherlock. As I made way through scattered books, I exclaimed, "Sherlock, wake up! It’s that time of the year. h1-ctf, a chance to get an invitation to hackerone’s live hacking event. “zer0ttl, of course! Yo...

h1-ctf: [H1-2006 2020] How I solved my first H1 CTF

Introduction: Hello! My name is @cr33pbp0y and I going to tell you how I resolved my first HackerOne CTF. Prelude One day, I was reading some tweets about some new vulnerabilities and new hunters adquisitions when the Great H tweeted: F861267 I thought: "WoW, a new virtual event!! It could be...

h1-ctf: [H1-2006 2020] Exploiting multiple vulnerabilities to get hacker's payment ensured

Last week, Hackerone’s CEO Marten lost his credentials for BountyPay. A tweet from hackerone’s official twitter account asked for help from ethical hackers and bounty hunters to help the CEO recover his credentials and insure May’s payments. As an active bug hunter on Hackerone, I decided to take...

h1-ctf: [H1-2006 2020] From multiple vulnerabilities to complete ATO on any customer account and staff admin

First of all, thanks for the awesome CTF. I enjoyed it very much : Summary The CTF was about helping HackerOne's beloved CEO, @martenmickos, to approve May bug bounty payments after he has lost his login details for BountyPay. It all started with this tweet: F860982 And as you all know, I had to...