Brave Software: Brave Browser permanently timestamps & logs connection times for all v2 domains ~/.config/BraveSoftware/Brave-Browser/tor/data/tor.log

Summary: A vulnerability in the Brave Browser v1.28.43 and below allows a local or physical attacker to view the exact timestamps that a user connected to a v2 onion address. A local or physical attacker could read /.config/BraveSoftware/Brave-Browser/tor/data/tor.log identify the exact moment a...

Reddit: No Password Length Restriction leads to Denial of Service

Hey when I try to set the password while creating account I noticed that you haven't kept any password limit. You need to decrease password length :There are two reasons for limiting the password size. For one, hashing a large amount of data can cause significant resource consumption on behalf of...

Nextcloud: Unexpected federated shares added via public link

So I'm not 100% sure if this is an security issue or not. But it is in my opinion at least unexpected and could be handled better to make sure people trust the system. 1. Get a public link share again plenty of those around 2. Click the 'add to your Nextcloud' 3. A federated share is added/create...

8x8: DNS Misconfiguration (Subdomain Takeover) ███.wavecell.com

An S3 bucket was deleted, but a DNS record pointing to the bucket was initially not updated/removed. The issue has been rectified...

h1-ctf: Solution for hackyholiday

Summary: Since there is a reward for the first 10 submissions, I'll start by providing the flags: flag48104912-28b0-494a-9995-a203d1e261e7 flagb7ebcb75-9100-4f91-8454-cfb9574459f7 flagb705fb11-fb55-442f-847f-0931be82ed9a flag972e7072-b1b6-4bf7-b825-a912d3fd38d6...

curl: Connect-only connections can use the wrong connection

Summary: If a connect-only easy handle is not read from or written to, its connection can time out and be closed. If a new connection is created it can be allocated at the same address, causing the easy handle to use the new connection. This new connection may not be connected to the same server ...

Imgur: Stored XSS in Post title (PoC)

Hello, Stored XSS in Post title, example: https://imgur.com/gallery/Y5JUzv3, Thanks Impact steal cookies and session...

Concrete CMS: SSRF bypass

This simply describes a bypass for report at https://hackerone.com/reports/243865, using a decimal notation encoded IP address 0177.0.0.1 currently bypasses the limitations in place for localhost. crayons re-submitting report including "magic" string Concrete5 version used is 8.5.2 Impact...

Mail.ru: XSS in [community.my.games]

Crossite scripting in community.my.games via post comments All we say is Thank You for an Account Takeover Flaw!...

GitLab: Path traversal in Nuget Package Registry

Summary There's a path traversal issue in Nuget package registry which was released to GitLab-EE recently. The issue allows an attacker to create any file with an extension “.nupkg” in the filesystem. By combining the bug with a race condition in Gitaly which I used several times before 762421,...

Mail.ru: Stored XSS at branded site in .mail.ru domain

Stored XSS via URL markdown on the mail.ru subdomain delegated to external service...

Node.js third-party modules: Prototype pollution attack (lodash)

I would like to report a prototype pollution vulnerability in lodash. It allows an attacker to inject properties on Object.prototype Module module name: lodash version: 4.17.15 npm page: https://www.npmjs.com/package/lodash Module Description The Lodash library exported as Node.js modules. Module...

Node.js third-party modules: gitlabhook OS Command Injection

I would like to report OS Command Injection in gitlabhook. It allows execution of arbitrary code on the remote server, that waits for instructions from gitlab. Module module name: gitlabhook version: 0.0.17 npm page: https://www.npmjs.com/package/gitlabhook Module Description This is an easy to u...

Vanilla: Stealing the ip addres from users

Hi team! Summary Pixel that steals your data. By creating an image in https://iplogger.org/ and inserting it in the forum we can steal some data ip, language, geo location of the users who see the message. Steps to reproduce + Set "wyswyg" on + Create an image from https://iplogger.org/ and use t...

Rockstar Games: The return of the ＜

In this report, the researcher was able to demonstrate a Stored XSS vulnerability in our Message system on the Social Club website. By taking advantage of the fact that '＜' characters are normalized to '.͓̮̮ͅ=sW&͉̹̻͙̫̦̮̲͏̼̝̫́̕...

phpBB: CSS injection via BB code tag "█████"

The input to the "█████" BBcode tag is not properly filtered. It gets converted into a CSS style attribute for a span HTML element. Quotes " are removed, so there's no way to break out of the CSS style attributed. However it is possible to arbitrarily dress the resulting span element. To illustra...

Internet Bug Bounty: Local Privilege Escalation during execution of VeraCryptExpander.exe (UAC bypass)

Summary: Your VeraCryptExpander.exe is vulnerable to a Local Privilege Escalation UAC BYPASS during execution. The issue is located here: https://github.com/veracrypt/VeraCrypt/blob/a108db7c85248a3b61d0c89c086922332249f518/src/ExpandVolume/VeraCryptExpander.manifest...

Versa Networks: Passwords Stored Insecurely

In Versa Director, Versa Analytics and VOS, Passwords are not hashed using an adaptive cryptographic hash function or key derivation function prior to storage. Popular hashing algorithms based on the Merkle-Damgardconstruction such as MD5 and SHA-1 alone are insufficient in thwarting password...

HackerOne: Response program can create bounty table

Summary: Follow h1 document https://docs.hackerone.com/programs/bounty-tables.htmlgatsby, create bounty table only available for bounty program. Description: Step1: Create request to graphql entrypoint Step2: Change team id in parameter like this: "teamid":"Z2lkOi8vaGFja2Vyb25lL1RlYW0vMzYyOTE="...

Nextcloud: Share recipient can modify a share's expiration date

Vulnerable URL http://server/nextcloud/ocs/v2.php/apps/filessharing/api/v1/shares/share ID number Summary Nextcloud users can set expiration dates on documents they share with others. However, the function to update a share does not appear to properly validate the requester is the owner when...

Ruby on Rails: Specially constructed multi-part requests cause multi-second response times; vulnerable to DoS

The multi-part body parsing in Rack and consequently Rails has a worse-than-linear performance relative to the number of parts in the request body. In small scale i.e. non-disruptive tests on a variety of Rails applications on the internet, including my own, GitHub.com, Heroku API, Instacart,...

Rocket.Chat: Remote code execution by hijacking an unclaimed S3 bucket in Rocket.Chat's installation script.

Hi team, When I downloaded the latest release of Rocket.Chat to test the fix for my previous report I spotted an install.sh script. Inside that installation script I noticed the following line: diff !/bin/bash set -x set -euvo pipefail IFS=$'\n\t' ROOTPATH=/var/www/rocket.chat PM2FILE=pm2.json if...

DuckDuckGo: SSRF vulnerability on proxy.duckduckgo.com (access to metadata server on AWS)

Hello, I saw that SSRF on proxy.duckduckgo.com is out of scope but because of the severity I wanted to report this. The payload is simple: curl "https://proxy.duckduckgo.com/iur/?f=1&imagehost=http://169.254.169.254/latest/meta-data/" Response from the server: ami-id ami-launch-index...

Node.js third-party modules: Prototype Pollution Vulnerability in mpath Package

I would like to report prototype pollution vulnerability in mpath. It allows an attacker to inject arbitrary properties on Object.prototype. Module module name: mpath version: 0.4.1 npm page: https://www.npmjs.com/package/mpath Module Description G,Set javascript object values using MongoDB-like...

WordPress: Open API For Username enumeration

We Can do username enumeration, Reproduce: 1. Go any wordpress site. 2.www.site.com/?author=1 type ?author=1 at end of site 3. You will get www.site.com/author/admin now, admin is username of login panel of that site Thanks, Sameer Phad Impact -...

Internet Bug Bounty: DoS for HTTP/2 connections by crafted requests (CVE-2018-1333)

modhttp2 can be tricked by specially crafted requests to hold server resources longer than necessary. A simple demonstration of this for a server with h2c enabled is as follows: for x in seq 0 500; do echo...

VK.com: Доступ к администраторским faq

Просмотр некоторых закрытых статей FAQ. Уязвимость позволяла получить доступ к талмудам vk.com/tlmdXXX в которых хранится информация для администраторов и модераторов социальной сети ВКонтакте... Получение доступа к адм. информации... @ 500$...

Monero: Trusted daemon check fails when proxied through torsocks or proxychains

Summary: If torsocks1 or proxychains1 is enforced when using Monero wallet with a remote node without explicit --untrusted-daemon arguments given, the application will assume the daemon is trusted. Description: By default, the wallet checks if the daemon address can be trusted by calling...

Node.js third-party modules: [simplehttpserver] List any file in the folder by using path traversal.

I would like to report Path Traversal in simplehttpserver. It allows to list any file in another folder of web root. Module module name: simplehttpserver version: 0.1.1 npm page: https://www.npmjs.com/package/simplehttpserver Module Description 'simpehttpserver' is an simple imitation of python's...

Mail.ru: api.icq.com / возможность отредактировать текст любого пользователя или группы переслав его.

Нашёл лютую дырку дело в том что при пересылке сообщения пользователя группы текст стоит в параметре конечно же я пробовал его отредактировать и послать пакет но никак не выходило и тут я использовал один старый метод, обычно же идёт GET запрос его мы и меняем, но после идёт POST запрос который...

Zomato: [www.zomato.com] Abusing LocalParams to Inject Code through ███████ query

@bigshaq found an endpoint which was throwing 500 Internal Server Error after adding a double quote, while he thought that this behaviour might well be a SQLi, and after a bit of fuzzing @bigshaq demonstrated why he believed it to be a SQLi - 500 ISE domain.com?type=redacted&id=1" - 200...

Coinbase: User provided values trusted in sensitive actions

In the Coinbase zencart open source library, a researcher observed two issues related to making calls based on user provided values. The reporter observed that these issues could allow a malicious user to perform an open redirect and a CRLF injection in any PHP version =5.4.1. Unfortunately,...

Upserve : Ability to reset password for account

The attacker was able to send a password reset link to an arbitrary email by sending an array of email addresses instead of a single email address. POST https://hq.breadcrumb.com/api/v1/passwordreset HTTP/1.1 with body like "emailaddress":"[email protected]","[email protected]"...

LocalTapiola: Securemail server used to internal spam and resource exhaustion

Basic report information Summary: Confidential message systems fails to restrict large amount of receivers. This might lead to hardware exhausting and/or attacking localtapiola internal employees as securemail recipient. Description: Despite https://secure.lahitapiola.fi/ is designed to send...

Node.js third-party modules: Fastify denial-of-service vulnerability with large JSON payloads

Module: Fastify - https://www.npmjs.com/package/fastify Affected versions: =0.37.0 all version before 0.38.0 Summary: A denial-of-service attack can be performed against servers running Fastify by sending a request with "Content-Type: application/json" and a very large payload. Description: Fasti...

Ed: Fix for self-DoS in Security-txt Chrome Extension.

@sp1d3rs found a self-DoS vulnerability in the Security-txt Chrome Extension. He was also kind enough to provide a fix wich you can find on GitHub. We merged @sp1d3rs' fix when he submitted a PR. We later decided that it was better to stop using XHR and use Fetch instead, a newer API. This was th...

Uber: No rate limiting on https://biz.uber.com/confirm allowed an attacker to join arbitrary business.uber.com accounts

A lack of rate limiting on the "/confirm" endpoint made it possible for an attacker to add themselves to arbitrary business.uber.com accounts by brute forcing confirmation codes. If they were able to successfully brute force the correct confirmation code, this would allow an attacker to take ride...

Radancy: [Cross Domain Referrer Leakage] Password Reset Token Leaking to Third party Sites.

Domain and URL: https://werkenbijdefensie.nl Summary:: Password Reset Token Leaking to Third party Sites from the link in the footer Description: Hello, I found that the if a user request for a password reset link and open it but don't change the password and click on the Third Parties Sites link...

Roblox: Subdomain Takeover at creatorforum.roblox.com

Hello. A few days ago, I was looking at Roblox subdomains, and I noticed an unusual one called creatorforum.roblox.com. Upon further investigation, I visited it and saw that creatorforum.roblox.com's CNAME was a nonexistant Discourse website. I immediately reported to [email protected], and...

Gratipay: xss

xss fo this page and form type https://gratipay.com/apply...

Automattic: XSS Vulnerability in WooCommerce Product Vendors plugin

Version 2.0.27 of the WooCommerce Product Vendors plugin doesn't appear to correctly escape the "vendor description" POST parameter and can be manipulated to reflect arbitrary scripting. The good news is that it does appear to do some form of clientside validation before posting, in addition to...

Upserve : Ability to create own account UUID leads to stored XSS

I found an interesting bug where the system allows a user to create their own UUIDs. There are character length restrictions on this action, however it's not bound to a specific set of characters. Even so, I was able to include an external script that I URL shortened to just hit the character lim...

Mixmax: SSRF via webhook

Hi, There exists an SSRF vulnerability with the account webhook feature, allowing an attacker to verify the existence of the EC2 metadata url and enumerate URL's. POC: 1. Create a webhook at https://app.mixmax.com/dashboard/settings/rules with url http://169.254.169.254/latest/meta-data/. 2...

Paragon Initiative Enterprises: Directory Disclose,Email Disclose Zendmail vulnerability

i found three vulnerability Directory information disclose,Email address disclose, and possible Remote code execution in Zendmail during signup your code accept username with ',",/,@ while all of the special character must be forbidden or encoded in username Directory Disclose: 1. goto sign-up pa...

Udemy: Subdomain Takeover (and Stored XSS) via Trailing Dot at https://coding-exercises.udemy.com

Hello @Udemy! Summary ===== I previously reported a cross-site scripting vulnerability 222337 at coding-exercises.udemy.com. I recently discovered that GitBook-hosted sites are also vulnerable to subdomain takeovers due to a trailing dot vulnerability in the GitBook "Custom Domain" feature seen...

Shopify: apps.shopify.com - CSRF token leakage through Google Analytics

Description: When a user tries to send a support a message to an app developer in apps.shopify.com , he will be asked to login and once he is logged in , he will be redirected to apps.shopify.com/appid?authenticitytoken=currentuserauthenticitytoken. Developers can track their app page view in...

Starbucks: Persistent XSS in www.starbucks.com

There is a persistent XSS in https://www.starbucks.com/coffee/espresso/latte-macchiato It is caused by loading scripts from: //starbucksmacchiato-prod.elasticbeanstalk.com/scripts/bn-v1.0.0-Release-min.js Note that starbucksmacchiato-prod.elasticbeanstalk.com is not registered on elastic beanstal...

Pushwoosh: Spoof Email with Hyperlink Injection via Invites functionality

Email Spoofing via hyperlink injection. Design Issue, Missing Best Practice, Low severity...

Internet Bug Bounty: Out of bound read in exif_process_IFD_in_MAKERNOTE

I have found some vulnerable code that lacks check size of buffer may lead to memory out of read or write. Take a look at : static int exifprocessIFDinMAKERNOTEimageinfotype ImageInfo, char valueptr, int valuelen, char offsetbase, sizet IFDlength, sizet displacement SNIP switch makernote-offsetmo...

Coinbase: No authorization required in iOS device web-application

Hey, this is Ahsan Tahir! I've found a authorization issue in coinbase! :- Issue ======= When we login to coinbase using PC not authorized it asks for authorization using a link, which is sent to our email and we have to authorize it by clicking on that email; but, when we login to a iOS device...