HackerOne: While adding a payment method - Notification email not sent to newly added email ID as well as there is no verification for new email id (Paypal)

Description: As you know hackerone allows us to add payout method. On selecting paypal we are asked to add paypal email id. On saving new email id. A hackerone account holder i.e account from which payout method was changed gets a notification email saying that "The payout method was changed form...

VK.com: CSRF отредактировать карточки в посте у группы

Отсутствие хеша в запросе на редактирование рекламной карусели. Видеодемонстрация импакта: https://youtu.be/BO8lCwv01f0...

Coinbase: Double Payout via PayPal

An issue with the handling of the PayPal transaction states resulted in a user being able to both withdraw money from PayPal, but not have the funds deducted from their account...

Grab: Leak ██████████ information in real time through API request

The researcher identified an endpoint that was publicly accessible and contained minuscule amount of sensitive information with some dummy data. We quickly resolved the issue and rewarded the researcher. We are thankful to @severus for his continued contribution to our bug bounty program to keep...

HackerOne: Submitted reports state logs leakage

Hi team, Summary ---------- The endpoint https://hackerone.com/ returns a JSON response containing some informations about the , the parameter signal is returned as a high precision float number up to 14 digits after the comma, the fractional part of this JSON parameter can be used to disclose so...

Node.js third-party modules: [html-pages] Path Traversal in html-pages module allows to read any file from the server with curl

Hi, This report is about Directory Traversal vulnerability I found in html-pages module. Module: html-pages is a module which allows to browse directories and serve static files in the browser. The vulnerability exists in the latest available version 2.0.7 Link to npm page:...

Pornhub: xss

The researcher found a GET parameter, the value of which was output in the page source, resulting in XSS...

Phabricator: Window.opener protection Bypass

SUMMURY ======== If you create a post/comment with a link like http://x.com in fabricator then server add rel="norefferrer" to anchor tag . So child window dont have access to parent window. But it can be bypassed with url like /\x.com/index.php and child window can change the location property o...

Mail.ru: reflected xss on cycloferon.health.mail.ru

Reflected XSS in http://cycloferon.health.mail.ru/ promo site. This domain is not covered by bug bounty program. Since this site is not longer supported, an access was closed as a workaround...

Internet Bug Bounty: Urllib connects to a wrong host

Description ----- The inconsistent of URL parsing and URL fetching are distinct Original bug report ----- - https://bugs.python.org/issue30500 - http://python-security.readthedocs.io/vuln/bpo-30500urllibconnectstoawronghost.html Note ----- - None Thanks : Impact SSRF...

Mail.ru: [e.mail.ru] XSS на странице отправки денежного перевода

Reflected XSS in https://e.mail.ru/money/send via messageid GET parameter XSS via a GET param...

Internet Bug Bounty: Inappropriate URL parsing may cause security risk!

Description ----- The behaviors in parseurl and httpwrap/cURL are different Original bug report ----- - https://bugs.php.net/bug.php?id=74192 Note ----- - CVE-2017-7189 assigned Thanks : Impact SSRF...

Internet Bug Bounty: Inappropriately parsing HTTP response leads to PHP segment fault!

Description ----- A NULL Pointer Deference in parsing HTTP header. It is very easy to trigger this segment fault and may be vulnerable in some scenarios. Original bug report ----- - https://bugs.php.net/bug.php?id=75535 Note ----- - None Thanks : Impact Segment fault...

Internet Bug Bounty: Potential infinite loop in gdImageCreateFromGifCtx!

Description ----- It is easy to trigger in web application if the web use GD as its image library. For example, It can be triggered if a website resize the user-uploaded GIF, and ALL PHP version are affected! Original bug report ----- - https://bugs.php.net/bug.php?id=75571 Note ----- -...

ok.ru: Обход функций закрытого профиля, получения возможности комментировать закрытые подарки и просматривать их

Insecure direct object reference allowed posting comments to user gifts despite of privacy settings. Уязвимость позволяла создавать комментарии к подаркам пользователя даже если это запрещено настройками приватности...

Slack: Information leakage and default open port

@freem0 found Prometheus plugin output that was exposed at one of our servers. The information exposed including some OS information metrics about memory usage, but no customer data was at risk and no exploit was possible. Thank you @freem0!...

LocalTapiola: Malicious file upload (secure.lahitapiola.fi)

Basic report information Summary: Malicious file upload Description: Hello! I noticed that when a user sends new message you have restricted pretty strictly the files which is ok to upload. Like .svg: F254353 How ever if a user impersonate another user just a one example and start the conversatio...

Yelp: ClickJacking on IMPORTANT Functions of Yelp

SUMMARY: Few Important function of yelp.com are vulnerable to ClickJacking Attack. DESCRIPTION: Please have an Introduction about the vulnerability Type: https://en.wikipedia.org/wiki/Clickjacking ClikcJacking is similar to CSRF with just an extra involvement of the victim to click somewhere on t...

Showmax: Query string parameter modifications returned in page

NOTE BEFOREHAND: I KNOW it's not located on the core showmax.com domain, but that doesn't effect the applications of this and it still has the same risk. Summary: At https://sso.showmax.com/auth/failure?message=, you can change the message parameter to any text and it will be returned on the page...

Monero: Corrupt RPC responses from remote daemon nodes can lead to transaction tracing

Dear Monero security team, We’re writing to disclose a privacy vulnerability when using monero-cli or monero-gui with an untrusted remote node. When using a remote node, the Monero client relies on the node to provide information from the blockchain, in particular the public keys and transaction...

LocalTapiola: Information exposure via error pages (www.lahitapiola.fi Tomcat)

Summary: Information exposure via error pages Description: Hello there! I take the risk that this report might be closed as a N/A but because you are running outdated tomcat I wanted to take this risk and report this to you. So here we go.. When you navigate to the page e.g...

Mail.ru: XSS ( Работа с письмами )

Заходим в почту. 2. Настройки - Работа с письмами. Получаем GET запросом входящие параметры...

Concrete CMS: Administrators can add other administrators

Because I know you like crayons here's a token of my appreciation... :D F253771 Concrete5 version: 8.3.1 Release date: 12/20/17 Where: Core CMS Vulnerability: Privilege Escalation OTG-AUTHZ-003 Privilege escalation occurs when a user gets to access more resources than is normally allowed when it...

Mail.ru: Возможность залить шелл на https://widget.operator.mail.ru

It was possible to upload a shell code to widget.operator.mail.ru via file upload feature. widget.operator.mail.ru is a part of games.mail.ru and is not currently covered by bug bounty program. Shell upload...

Grab: Unrestricted access to https://██████.█████myteksi.net/

Hello again Grab Security Team ! Following my previous research, it seems that your Microservices architecture you are currently running on .█████myteksi.net is publicly exposed on another endpoint : https://█████████.█████myteksi.net. Summary: When researching and starting a new enumeration of...

Internet Bug Bounty: ACME TLS-SNI-01/02 challenge vulnerable when combined with shared hosting providers

The ACME TLS-SNI-01 and TLS-SNI-02 specification assumed wrong in terms of how current major cloud providers routed and validated domains. This was reported earlier this week to Let's Encrypt, and they decided to disable the method. Today Let's Encrypt decided to sunset both TLS-SNI-01 and...

Grab: Unrestricted access to Eureka server on ██████

Hi Grab Security Team, First of all, best wishes for 2018, empty of bugs if possible ;- Summary: I found that the following endpoint is hosting Netflix Eureka Server █████ and that even if some URLs are requiring authentication 401 code for some of thems like /metrics for example, it is still...

Uber: ubernycmarketplace.com is vulnerable to the Heartbleed Bug

The Heartbleed Bug was a serious vulnerability in the popular OpenSSL cryptographic software library. This weakness allows stealing the information protected, under normal conditions, by the SSL/TLS encryption used to secure the Internet. This allows attackers to eavesdrop on communications, stea...

Ubiquiti Inc.: Reflected XSS

Due to the lack of sanitisation in the commend area, with a especially crafted message, is possible to execute a XSS with the "preview" function. If a draft is save, is possible to exploit this bug using as and stored-XSS. The "New Discussion" page on the Spanish and Portuguese forums have a...

Ruby: Integer Underflow @ ossl_cipher_pkcs5_keyivgen

Integer Underflow @ osslcipherpkcs5keyivgen file : ext/openssl/osslcipher.c affected parameter: iterations INFO Generates and sets the key/IV based on a password. call-seq: cipher.pkcs5keyivgenpass, salt = nil, iterations = 2048, digest = "MD5" - nil ANALYSIS iterint in osslcipherpkcs5keyivgen...

Open-Xchange: [XSS/CSRF] filter content-type bypass in Files

Hi. I found trick for inject any content-type for files. If content-type contains , then browser Chrome, Firefox skip content-type before , e.g.: any, text/html - text/html Upload any html/xml/svg/swf without extension F253137 and update mimetype: - "file":"filemimetype":"t,text/html" -...

Hiro: Missing restriction on string size of Full Name at browser.blockstack.org

Hi there Vulnerability Title: During my regular testing, I have found that there was no restriction on the amount of text that can be inserted into a user's Full name field. Security Impact: When the text size was large enough the service resulting in a momentary outage in our non-production...

Open-Xchange: Arbitrary local system file read on open-xchange server

Hi, Summary: I found a vulnerability that can read arbritary local file and also internal resource on Open-Xchange server. Description: I can create an crafted odt file and can successfully read any local files on Open-Xchange server when previewing this odt file. Steps to Reproduce: Here is the...

GSA Bounty: Defacement of catalog.data.gov via web cache poisoning to stored DOMXSS

An attacker can deface various pages on catalog.data.gov, leading to them executing malicious JavaScript when visited by a normal user. The root problem is that the server trusts the X-Forwarded-Host HTTP header, and uses this to populate the 'data-site-root' and 'data-locale-root' attributes on...

Mail.ru: XSS в теле письма.

XSS via malcrafted HTML "rel" attribute. As a temporary workaround rel attribute was disabled on the day of reporting. A final solution fixes parsing algorithm for rel attributes...

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...

Zomato: Zomato.com Reflected Cross Site Scripting

zomato.com/php/liveSuggest.php takes various field input to show customized out put for the users. The data entered to entityid field is not santized or html encoded which allows user to add payloads via this parameter which will be reflected to user. Steps to reproduce : Please click on below li...

Deconf: Reflected XSS in admin settings

The researcher and our team determined that actually there wasn't any applicable vulnerability...

Monero: remote access to localhost daemon, can issue jsonrpc commands

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to verify and then potentially issue a bounty, so be sure to take your time filling out the report! Summary: Remotely use...

Open-Xchange: SSRF - Blacklist bypass for mail account addition

FYI - Tested on local installation of App Suite 7.8.4-Rev19, on CentOS 7.4 Hello, There appears to be a vulnerability with the way the IP blacklist works for adding servers for a new mail account. The default blacklist is designed to stop connections to the localhost address, but these can be...

Coursera: [www.coursera.org] Leaking password reset link on referrer header

Hi team, the user gets the email with a password reset link when opening it you will be redirected to password reset page when clicking on external links within the reset password page leaked password reset token in the referer header. steps: 1. open lost password page 2. enter your email and cli...

HackerOne: Missing Password Confirmation at a Critical Function (Payout Method)

Hey Hackerone Team, Payout being one the very important matter demands to be taken extra precaution. But at our lovable platform "Hackerone" there is no Password Confirmation at one of very critical functions i.e Payout Method/state Change. All the other important functions like : 1. Email Change...

VK.com: Раскрытие названия частной группы через старый бокс просмотра фото.

Просмотр названия частных сообществ...

LocalTapiola: RCE using bash command injection on /system/images (toimitilat.lahitapiola.fi)

Summary: the "/system/images" URL accepts a Base-64 encoded string, which is in turn used to convert images from the local disk before displaying them to the user. The website fails to validate the user input, allowing arbitrary bash command injection. Description: When surfing the...

Ruby: Unix domain socket and a path containing a null character

Some methods on UNIX domain socket are not checked for null characters. vagrant@localhost $ ls /tmp vagrant@localhost $ irb irbmain:001:0 require 'socket' = true irbmain:002:0 UNIXServer.open"/tmp/socket\0ruby" |serv| irbmain:003:1 c = UNIXSocket.open"/tmp/socket\0sapphire" irbmain:004:1 s =...

HackerOne: ImageMagick GIF coder vulnerability leading to memory disclosure

Hello Hackerone Security Team, Well,we are aware of Imagemagick Gif parsor method to collect the pixels and then we can recover it to gain server information. https://github.com/neex/gifoeb However,it has no impact on hackerone since it's immune to gif files uploading functionality. So, ,gif...

Mavenlink: Users email can be changed without verification

A user api endpoint that accepts updates for user profile information also accepts an email address field. The researcher found a bug where a previously verified email address could be updated via this endpoint but would not be marked as unverified. This endpoint still accepts email address chang...

PortSwigger Web Security: Leak of Platform Authentication credentials via Repeater

Burp Repeater leaks Platform Authentication HTTP Basic credentials when following redirections. Steps to reproduce: - Set up an open redirection on a site you control example.com. - Set up Platform Authentication for that same site. Use HTTP Basic auth and whatever credentials. - Using Repeater,...

HackerOne: Partial disclosure of undisclosed programs through <meta> tags

Summary Report pages contain tags that contains the description of the report. New browsers create thumbnails of recently visited pages that that display the content of the tags. Since the meta tags contain the contents of report, private report contents are partially disclosed. Description Moder...

Kindred Group: Full Account Takeover on *.unibet.com due to crossdomain.xml and AkamaiPlayer loaderContext

==Below is the original, partially-redacted report== --------- Hi, The core issue here are two things: 1. The too wide crossdomain.xml located at: https://payment.unibet.com/crossdomain.xml https://se.unibet.com/crossdomain.xml https://www.unibet.com/crossdomain.xml 2. Issues with not-in-scope...