Mail.ru: Найден build.sh в webagent.mail.ru

Source code of build script for web application was available for download. It could leak some non-sensitive information on internal build processes and configurations...

BOHEMIA INTERACTIVE a.s.: Stealing Users OAUTH Tokens via redirect_uri

Hi, I would like to report an Open redirection on oauth redirecturi which can lead to users oauth tokens being leaked to any malicious user. Detail During the OAUTH flow, the redirecturi on https://accounts.bistudio.com is not properly validating that the URL given is proper, as such a bypass of...

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: [samsung-remote] Command injection

I would like to report a command injection vulnerability in the samsung-remote npm module. It allows arbitrary shell command execution through a maliciously crafted argument. Module module name: samsung-remote version: 1.2.5 npm page: https://www.npmjs.com/package/samsung-remote Module Descriptio...

Ed: Physical Laptop Takeover

At 6:16PM of August 11th of 2018, during H1-702, right before the sand storm beat the shit out of the rooftop party, we managed to perform a critical attack on Ed's infrastructure. F332214 Report Summary During our analysis and reconnaissance of how Ed program worked during the h1-702 event, we...

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: Arbitrary File Write through archive extraction

I would like to report arbitrary file write vulnerability in adm-zip module It allows attackers to write arbitrary files when a malicious archive is extracted. More info here: https://snyk.io/research/zip-slip-vulnerability https://github.com/snyk/zip-slip-vulnerabilityaffected-libraries Module...

Upserve : Insufficient validation of sides/modifiers quantity

Summary: The Upserve Online Ordering OLO application does not properly verify on the server side the number of sides/modifiers that have been added Description: Certain items allow for selection of a limited number of sides/modifiers, and the application restricts the number of sides/modifies tha...

Liberapay: Exploiting JSONP callback on /username/charts.json endpoint leads to information disclosure despite user's privacy settings

Hello! Vulnerability Details The /username/charts.json endpoint can return a JSONP callback due to the fact that jsonpdump is used in the file charts.json.spt. It appears that the content of the JSONP request depends on the authentication of the user. If the user enabled the privacy setting which...

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...

Ruby: Invalid URL parsing '#'

URI is not correctly parsed when "" is included in the URL. Therefore, could instead be tricked into connecting to a different host. PoC bash $ ruby --version ruby 2.4.1p111 2017-03-22 revision 58053 x8664-darwin16 ruby require 'uri' uri = URI"http://[email protected]/test" = p...

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...

VK.com: Просмотр приватных видео записей у Пользователей

Просмотр некоторых приватных видеозаписей. VK решил заплатить 100$ , но я переубедил.... ███████████████████████████ ███████▀▀▀░░░░░░░▀▀▀███████ ████▀░░░░░░░░░░░░░░░░░▀████ ███│░░░░░░░░░░░░░░░░░░░│███ ██▌│░░░░░░░░░░░░░░░░░░░│▐██ ██░└┐░░░░░░░░░░░░░░░░░┌┘░██ ██░░└┐░░░░░░░░░░░░░░░┌┘░░██...

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,...

Uber: Configuration and/or source code files on uchat-staging.uberinternal.com can be viewed without OneLogin SSO Authentication

Summary Configuration file and/or source code information leakage without Uber OneLogin SSO authentication. Security Impact Misconfiguration on the server results in information leakage without authentication. Reproduction Steps...

Deriv.com: Leaking Referrer in Reset Password Link

On 12th Dec flex0geek reported that binary.com was leaking password reset tokens through referer headers . At first this sight the report was closed as we had fixed this earlier and our code base seemed fine . Later on the researcher sent a video POC which did show that we were leaking password...

Internet Bug Bounty: Mailsploit: a sender spoofing bug in over 30 email clients

Mailsploit is a collection of bugs in email clients that allow effective sender spoofing and code injection attacks. The spoofing is not detected by Mail Transfer Agents MTA aka email servers, therefore circumventing spoofing protection mechanisms such as DMARC DKIM/SPF or spam filters. Bugs were...

AlienVault : DNS pinning SSRF bypass

Summary: this issue is a bypass for this report: https://hackerone.com/reports/285380 . It is a SSRF bypass with DNS pinning. Description: We can bypass the SSRF protection with a simple domain that is resolving to 169.254.169.254 , like: ssrf-cloud.localdomain.pw Browsers Verified In: Firefox 56...

RubyGems: Request Hijacking Vulnerability in RubyGems 2.6.13 and earlier

We received this report via security@ from [email protected], I'm filing here for tracking and visibility purposes... "I was looking at commit 8d91516fb7037ecfb27622f605dc40245e0f8d32, which was the fix for the DNS hijacking issue CVE-2017-0902. The function still handles the DNS response in ...

Zomato: Potential server misconfiguration leads to disclosure of vendor/ directory

Hi, Apologies for the weakness label, it was the closest I could find for what appears to be a server misconfiguration. Typically, in MVC frameworks like Slim which I see you are using here, Symfony, Laravel, etc., the front controller is the only thing exposed, leaving vendor/, logs/, and others...

Razer US: Open redirect on oauth2.razerzone.com caused by server misconfiguration when using triple slash after hostname

Another solid report form this tester, who helped us nail down the issue when it was only intermittently reproducible. We appreciate the hard work. I discovered the Open Redirect on the oauth2.razerzone.com due to improper handling of multiple/encoded slashes and dots in the URL path. POC link:...

Weblate: Add another email address without verification

Introduction In the normal case, to link another email address to the Weblate account, users need to own the email address and click the verification link. However, I found an issue, that allows adding another email address without clicking on the verification link. Description and PoC: Create a...

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...

Gratipay: xss

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

Rockstar Games: CSRF Vulnerability allows attackers to steal SocialClub private token.

The researcher was able to combine a Flash exploit with a CSRF vulnerability in order to obtain sensitive user tokens from https://socialclub.rockstargames.com/profileedit/GetTokens. This page is ordinarily only called in a secure fashion such that an attacker is unable to see another user's...

Legal Robot: 2FA Error Handling on Google Authenticator

While searching for bugs in a recently launched 2FA feature, a security researcher discovered that client-side error handling for 2FA was incomplete and could cause confusing results for users. When 2FA failed, there was no error message returned to the client and the login progress spinner...

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...

Mail.ru: The auth token does not expire on logging out and even after logging out all sessions

API token for web.icq.com was not expired after user logout...

HackerOne: Reading redacted data via hackbot's answers

Summary: Hello, I have found a way to use hackbot's automated duplication answers to reveal redacted data via brute force. This is restricted by the length of the report and number of radacted items. For short report with little content and just 1-2 redacted texts this is rather easy to accomplis...

WakaTime: Leaking password reset token via referrer from external Twitter share button

Hi Team, Description It has been identified that the application is leaking referrer token to third party sites. In this case it was found that the pasword reset token is being leaked to third party sites which is a issue knowing the fact that it can allow any malicious users to use the token and...

Quora: self xss in

Hi Quora security team, there is self XSS vulnerability in https://www.quora.com/profile/Username/ Steps: copy and paste the link in chrome browser copy entire link within double quotes "javascript:alertdocument.domain//https://www.quora.com/profile/Username/" then XSS payload will trigger please...

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...

Mapbox: Open Aws Amazon S3 Buckets

Security researcher @saadahmed reported two Mapbox owned S3 buckets with public-read ACL. One of these, mapbox-js, was public-read by design, the other however was not and subsequently was switched to a private ACL. Thank you again @saadahmed, we appreciate you keeping Mapbox security in mind...

Ruby: sprintf combined format string attack

In a ticket that was also reported to "shopify-scripts" regarding "MRuby", I reported in details a combined attack against the sprintf gem: Information leak Heap buffer underflow The full ticket details can be found in: Ticket 212239 The ticked was opened several minutes ago but I add it in case ...

HackerOne: javascript: and mailto: links are allowed in JIRA integration settings

Summary: For new feature settings, you accept website URLs like javascript:// or data:// in base urls. Even https://evil.com works, this needs to be stripped, this can be used to create another integrations without Steps To Reproduce 1. https://hackerone.com/Team/integrations/jira/edit 2. Try in...

OLX: Public Vulnerable Version of Confluence https://confluence.olx.com

The public server is vulnerable to Insecure Direct Object Reference, allowing any authenticated user to read configuration files from the application such as the content of webapp directory in confluence. Link to the public issue: https://jira.atlassian.com/browse/CONF-39704 PoC: GET:...

Grab: Authorization bypass using login by phone option+horizontal escalation possible on Grab Android App

Description: After my previous report about 2FA bypass on the Profile Edit endpoint i was interested to find enpoint, which will allow me horizontal privileges escalation. So, I found the endpoint using android app https://p.grabtaxi.com/api/passenger/v2/profiles/activationsms which allow me to...

Internet Bug Bounty: CVE-2017-5341 The OTV parser in tcpdump before 4.9.0 has a buffer overflow in print-otv.c:otv_print()

Reported to the project maintainers in 2016. The function sigprint did receive a correct caplen parameter value but didn't use it correctly which could cause a read outside of buffer. Fixed by https://github.com/the-tcpdump-group/tcpdump/commit/409ffe94529df3d8bb8258bf99586f821756cb29...

Nextcloud: User Information Disclosure via REST API

Hello, I found out that you are using WP 4.6.2 on your domain which is outdated. https://nextcloud.com/readme.html Description:- WordPress versions 4.7 and earlier are affected by multiple security issues. Kindly check https://wpvulndb.com/wordpresses/462 for the vulnerabilities and in detailed...

Uber: IDOR on partners.uber.com allows for a driver to override administrator documents

An IDOR in the /p3/drivers/uploadDocument endpoint on partners.uber.com allowed a driver to upload and overwrite documents for other drivers on a multi-driver account. In addition to this, there was an access control issue where a driver account could also upload and overwrite documents for the...

X (Formerly Twitter): CRLF and XSS stored on ton.twitter.com

Hey, 1 CRLF: It's similar to 52042 but weaker to reproduce go to: https://ton.twitter.com/1.1/ton/data/dm/x/%E5%98%8A%E5%98%8Dset-cookie%3A%20test%3Dtest%3B%20Domain%3D.twitter.com%3B%20Path%3D%2F%3B%20Expires%3DSat%2C%2015-Dec-2018%2009%3A45%3A55%20UTC you will find that test cookie with the val...

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...

Nextcloud: BruteForce in to Admin Account

Hello, My self Abdulwahab, I want to Alert You that Your website is Facing a serious Problem Called : Username Enumeration This Problem is on nextcloud.com/wp-admin We Use wpscan to get username and the username is "frank" After getting username a user can Bruteforce it Using Wpscan and get acces...

Internet Bug Bounty: Heap overflow due to integer overflow in pg_escape_string() function

The fix for this bug has been committed: https://bugs.php.net/bug.php?id=73399 Description: ------------ I have found some vulnerable code at pgescapestring function in module PostgreSQL. pgescapestring function creates a new zendstring object to store escaped string. The size of destination stri...

Internet Bug Bounty: cURL / libcURL - CVE-2016-8624 invalid URL parsing with '#'

invalid URL parsing with '' ============================ Project cURL Security Advisory, November 2, 2016 - Permalink https://curl.haxx.se/docs/adv20161102J.html VULNERABILITY ------------- curl doesn't parse the authority component of the URL correctly when the host name part ends with a ''...

OLX: XSS and Open Redirect on https://jobs.dubizzle.com/

Hi, I found an interesting vulnerability.With this one we can redirect someone to a malicious site,or we can trigger XSS. STEPS TO REPRODUCE --------------------- 1-Go to that link https://jobs.dubizzle.com/en/pricing/?return=javascript:prompt31 2-Click the "Continue placing your ad" button. 3-XS...

Boozt Fashion AB: xss in Theme http://bztfashion.booztx.com

Researcher reported XSS vulnerability in Wordpress theme that we were using for our corporate site. Which in turn brought our attention to more available vulnerabilities within that Wordpress installation. Action taken - removed the installation completely and rebuild a more secured version of th...

Trello: File access using image tragick

While Trello had patched our image libraries to prevent the RCE vulnerability in ImageMagick, we had not applied a patch to prevent arbitrary file reads via labels in mvg files. After resolving the issue, we were able to determine that no files had actually been accessed using this vulnerability,...

Zomato: Visibility Robots.txt file

Issue detail:- The web server contains a robots.txt file. Issue background:- The file robots.txt is used to give instructions to web robots, such as search engine crawlers, about locations within the web site that robots are allowed, or not allowed, to crawl and index. The presence of the...

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...