Bumble: Exfiltrating a victim's exact location (to within 5m)

I used Bumble's distance feature to exfiltrate the exact location to within approx 5m of a victim. I did this by using the Bumble API to move my attacker account's location around the approximate area of the victim. I was able to obtain the exact distance between attacker and victim at 3 separate...

HackerOne: Report Bulk endpoint "agree-on-going-public" action may reveal Report disclosure state for invite-only programs

Hello, Hope you are doing well, SUMMARY -In hackerone user doesn't have permission to do any action like "disclosing/undiclosing" in disclosed report. -Here user can send the "cancel-disclosure-request" request to the server and server accepts the request gave 200ok response with ""flash":"The...

GitHub Security Lab: [JAVA]: CWE-347 - Improper Verification of Cryptographic Signature : Potential for Auth Bypass

This bug was reported directly to GitHub Security Lab...

Nextcloud: index.php/apps/files_sharing/shareinfo endpoint is not properly protected

When federated shares between two Nextclouds are created they do not use standard webdav to communciate. But to obtain the filelist they seem to use the SERVER/index.php/apps/filessharing/shareinfo endpoint. Unlike the other endpoint for tokens like public link shares. There is no brute force...

Exodus: Cache Poisoning DoS on downloads.exodus.com

Summary: Hello, The subdomain downloads.exodus.com hosts all files meant to be downloaded by exodus users. A few of the file I found are: https://downloads.exodus.com/releases/exodus-linux-x64-21.4.9.zip https://downloads.exodus.com/releases/hashes-exodus-21.2.12.txt...

Ruby: OS Command Injection in 'rdoc' documentation generator

Details: If the removeunparseable function receives a list of files with a command in the name of one of them, it will be executed. Just enough the name to match the pattern. The problem code: ruby def removeunparseable files files.reject do |file, | file =...

BlockDev Sp. Z o.o: xmlrpc.php FILE IS enabled it will used for Bruteforce attack and Denial of Service(DoS)

xmlrpc.php file is visible...

h1-ctf: Grinch Networks compromised!

Grinch Networks compromised! For fast triage/validation and inspired by @manoelt in other CTF, I made a bash script to find and print all the 12 flags of this CTF. The script uses curl, wget, google-chrome headless for flag 2, unzip, grep and sed. If any of these commands is missing, the script...

Node.js: HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion

Summary: Node.js http2 server is vulnerable against denial of service attacks when too many connection attempts with an 'unknownProtocol' are established. This leads to a leak of file descriptors. If a file descriptor limit is configured on the system, then the server is unable to accept new...

Mail.ru: CVE-2020-3187 на ip адресе 91.231.115.30

CVE-2020-3452 on webvpn.city-srv.ru...

GitLab: GitLab-Runner on Windows `DOCKER_AUTH_CONFIG` container host Command Injection

Summary GitLab-Runner, when running on Windows with a docker executor, is vulnerable to Command Injection via the DOCKERAUTHCONFIG build variable. Injected commands are executed on the container host, not within a Docker container, as such could compromise all future builds which are executed by...

Nextcloud: No rate limiting on sinup page

Hi Team, Summary: As a best practice a login page should have a rate limiting. Below is the captured request of respective login page of nextcloud.com -------------------------------------------------------------------------------------------------------------------- POST...

Nextcloud: Access control missing while viewing the attachments in the "All boards"

The vulnerability lies in the "view attachment" of the tasks . When a user uploads the file to the Task, the attachment is given a numeric number and is increased +1 on further uploads. It is easy for any user to view and download all the files uploaded to the tasks by any user. The access is not...

Internet Bug Bounty: IP-in-IP protocol routes arbitrary traffic by default - CVE-2020-10136

Many machines 150K-180K on the internet accept and route IP over IP by default. IP-in-IP encapsulation is a tunneling protocol specified in RFC 2003 that allows for IP packets to be encapsulated inside another IP packets. This is very similar to IPSEC VPNs in tunnel mode, except in the case of...

h1-ctf: [H1-2006 2020] I successfully solved it!

Hello, I'll get post there the write-up soon. Here is flag: ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$ Sincerely, @zeroxyele Impact null...

DigitalOcean: Blind XSS via Digital Ocean Partner account creation form.

Summary: Blind Cross-Site Scripting XSS was discovered at Digital Ocean Partners admin panel/dashboard where an attacker can run arbitrary Javascript Code at victims' end. Due to the absence of an HTTPonly cookie, an attacker can successfully steal the cookies of the user and use them to login to...

Open-Xchange: Blind SSRF in /appsuite/api/oxodocumentfilter&action=addfile

Summary Logic in AddFileAction.getImageDataFromUrl for fetching images from external URLs when handling /appsuite/api/oxodocumentfilter&action=addfile implemented here validates the redirected URLs only after following all redirects java response = httpClient.executegetRequest, context; int...

Mail.ru: Information Disclosure on {http://pro.tracker.my.com}

Prometheus performance metrics were publicly available on pro.tracker.my.com...

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...

Nord Security: Password Reset Link Leaked In Refer Header In Request To Third Party Sites

The reporter has identified that the web application is leaking password reset token in the HTTP referrer header. By obtaining a token, malicious user would be able to reset the passwords for a particular user. It is worth to mention that the attack must be highly personalised and requires prior...

Starbucks: WAF bypass via double encoded non standard ASCII chars permitted a reflected XSS on response page not found pages - (629745 bypass)

Summary: Report 629745 not properly resolved: "Many Starbucks websites are vulnerable to cross-site scripting on 404 pages because double quotes lack sanitizing in hidden input tags, which leads to JavaScript execution". Description: Report 629745 caught my attention, so I began testing the WAF t...

X (Formerly Twitter): XSS on https://app.mopub.com/reports/custom/add/ [new-d1]

Parameter new-d1 Payload Steps to reproduce 1. Go to URL: https://app.mopub.com/reports/custom/add/ 2. Start burp suite proxy, intercept on. 4. Enter payload in vulnerable parameter. 3. click on Run and Save button. 4. You will see java-script getting executed. POST Request POST...

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...

Nextcloud: SignUp using Fake Email

In this trial I used the email '[email protected]' and after pressing the SIGN UP button it will automatically redirect to https://ppp.woelkli.com/apps/preferredproviders/password/set/emailfakeforregister/H2qlEWHxQ3yiJgCsEXkR8, not through the account verification process first. For full the link Po...

Paragon Initiative Enterprises: Github wikis are editable by anyone https://github.com/paragonie/password_lock/wiki

submitted a misconfiguration in some of our GitHub repositories to us. Wikis are inherently editable for all users, but for some repositories an organization may want to restrict this access. In some cases it was possible for GitHub users . Github wikis on the following project...

Ruby: WEBrick::HTTPAuth::DigestAuth authentication is vulnerable to regular expression denial of service (ReDoS)

The private instance method splitparamvalue in class WEBrick::HTTPAuth::DigestAuth uses a regular expression that is vulnerable to denial of service due to catastrophic backtracking. The regular expression is: ^\s\w-.\%!+=\s"\.|^""\s,? Source:...

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&͉̹̻͙̫̦̮̲͏̼̝̫́̕...

GitLab: Private System Note Disclosure using GraphQL

Summary When you use the REST API or UI to view an issue's discussion/notes, private system note is hidden to member's only. Such as moving an issue to a private project, making issue as duplicate of a confidential issue, someone mentioned this issue in a confidential issue. They are properly...

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...

TomTom: Reflected Cross Site Scripting vuln in tomtom.com

Hello Tomtom security team I found a reflected cross site scripting security vulnerability in tomtom.com https://www.tomtom.com/nlnl/search/?q=27%22--%3E%3CDetails%20Open%20OnToggle=confirmdocument.domain%3E This payload when loaded displays the domain the XSS vulnerability occurs in www.tomtom.c...

Automattic: Wordpress VIP leaks email of the test a/c

i was testing learn.fb.com and i came to known that its wp-json is open and when i saw all the routes of the websites than i got to known that one end-point is leaking their internal email address the endpoint is as follow https://learn.fb.com/wp-json/th/v1/usergeneration The issue has been fixed...

Mail.ru: phpinfo

phpinfo was available at terrhq.ru subdomain...

Mail.ru: Phpinfo

phpinfo was available at terrhq.ru subdomain...

Zomato: Open Redirect On Your Login Panel

Summery Hey There are a open Redirect on your login panel Platforms Affected: Website Browsers Verified In If Applicable: Chrome For Android Firefox For Android Steps To Reproduce: 1. Go To This Url :- https://www.zomato.com/login?redirecturl=https://askdcodes.org 2. Then login there 3. boom you...

Mail.ru: sql

SQL interface for web analytics was available at terrhq.ru subdomain...

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,...

Khan Academy: Cross-Site Request Forgery (CSRF) vulnerability on API endpoint allows account takeovers

Summary The /signup/email API endpoint at khanacademy.org is vulnerable to Cross-Site Request Forgery CSRF attacks, allowing takeovers of accounts associated with unconfirmed email addresses. Description The vulnerable endpoint allows an authenticated user to change the email address associated...

Uber: Client secret, server tokens for developer applications returned by internal API

@appsecurein identified an internal API for https://riders.uber.com that could return clientsecret and server token for applications authorized by the account owner to access their Uber account. We restricted the data returned by this endpoint. Thanks for bringing this to our attention,...

PayPal: [Venmo Android] Remote theft of user session

A URL activity in the Venmo application used the built-in android.net.Uri parser, which has a known logic problem with certain characters. If an external URL were passed from a website or other app on the device to the application activity, the app would open the URL without properly validating t...

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...

Ruby on Rails: Validation bypass for queries generated for PostgreSQL

When using DB for PostgreSQL, I discovered that if a parameter of a query contains null character, there is a pattern in which subsequent strings are lost. how to reproduce Prepare the environment $ rails new postgresqlrails -TB --database=postgresql $ cd postgresqlrails $ bundle exec ruby -v rub...

Shipt: Subdomain Takeover at test.shipt.com

A researcher identified a stale DNS record that pointed to an abandoned test Heroku instance. This allowed for subdomain takeover. This was not an actively used subdomain and was not linked in any of our production applications. Nonetheless, Shipt Security immediately addressed the issue and...

Node.js third-party modules: [flintcms] Account takeover due to blind MongoDB injection in password reset

I would like to report a privilege escalation vulnerability in flintcms. It allows to reset a known user password, extract its password reset token and reset its password to then access the account. Module module name: flintcms version: v.1.1.9 npm page: https://www.npmjs.com/package/flintcms...

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...

Vanilla: Vanilla SQL Injection Vulnerability

Summary: There is a SQL injection vulnerability in the vanilla, an attacker can use this vulnerability to obtain database information. Description: We download the program from https://github.com/vanilla/vanilla and install. In applications/dashboard/controllers/class.profilecontroller.php:274 ph...

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...

Khan Academy: CSRF token fixation and potential account takeover

Hi Team, Details: I have found that the csrftoken fkey parameter which prevent CSRF attacks is fixed in same browser and didn't changed even user login or logout , a lot of users can use the same CSRFtoken , this can be exploited such 2 ways : Shared computers: - attacker open...

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...