Chaturbate: Open redirection at https://chaturbate.com/auth/login/

Hi, Summary An attacker can redirect vicitm on an external website using https://chaturbate.com/auth/login/ endpoint because next parameter is not being validated properly. There is a protection existed but it's weak and can be bypassed. http keyword is detected and protection works if payload...

Alliance of American Football : Stored xss in address field in billing activity at https://shop.aaf.com/Order/step1/index.cfm

Dear Team, Summary: add summary of the vulnerability After looking into https://shop.aaf.com/Order/step1/index.cfm i get to know that there is address field is vulnerable to stored xss which can lead to steal any user's cookie and can lead to complete account takeover Description: add more detail...

Chaturbate: View Failed Approval and Pending videos other users

See videos uploaded by a user. The video is available when it waits for confirmation or is not accepted. Steps To Reproduce: 1 - Go victim page : https://chaturbate.com/p/akaxanxa/?tab=bio 2 - Open video : https://chaturbate.com/photovideos/photo/big/username/contentid/ 3 - Get random requests -...

Chaturbate: Form Replay in customer information form

The hacker found that the server replays some form field data back in the response when there were form validation errors, which could be cached or viewed by someone with physical access to the same device used to complete the form. The fix was to delete the form data from showing in the response...

RubyGems: DNS SRV lookup of file:// sources enables local hijacking of gems

Summary gem makes a DNS SRV query for each of its configured sources; the response is allowed to override the source URL in certain ways. The SRV query happens not only for http:// and https:// sources, but also for s3:// and file://. In the case of file://, the SRV response may add a prefix to t...

Mail.ru: Чтение файлов на сервере и раскрытие директорий mediator.media

It was possible to access some internal addresses and special URI schemes due to lack of URI filteint on page submission. mediator.media it not in the Bug Bounty scope, the bounty was issued due to problem severity...

Node.js third-party modules: [http-live-simulator] Path traversal vulnerability

Module module name: http-live-simulator version: 1.0.6 npm page: https://www.npmjs.com/package/http-live-simulator Description this vulnerability is a bypass for the one found in this report in version 1.0.5 Steps To Reproduce: 1- Install the module : npm install -g http-live-simulator 2- Run the...

Hyperledger: Brute Force of fabric-ca server admin account

fabric-ca server - Default configuration maxenrollments value -1enable outside enrollment - Listening 0.0.0.0:7054easily discoved and can be reached - No limit to wrong password try Above conditions result in brute force to CA server admin account Impact Attack gain a high-level permissioned...

Chaturbate: Forget password link not expiring after email change.

I found a token miss configuration flaw in chaturbate.com, When we reset password for a user a link is sent to the registered email address but incase it remain unused and email is updated by user from setting panel then too that old token reset link sent at old email address remains valid. A...

Valve: code injection, steam chat client

The steam chat client allows oEmbed, apparently based on a whitelist. One of the whitelisted oEmbedis codepen. When a codepen is created, it can be sent as a link to another steam user, and the code inside the codepen will execute within the privileged Steam Chat context. You can send these codep...

Informatica: Cisco RCE

The researcher was able to complete RCE attack and download sensitive files. We have mitigated it by hardening the machine and port. There are opened classical cisco smart install service, which was successfully exploited. Informatica is a fAsTeSt!!! bug fixer in my life. Closing vulnerability in...

Vanilla: Vanilla Forums AddonManager getSingleIndex Directory Traversal File Inclusion Remote Code Execution Vulnerability

Summary: An authenticated admin user can trigger a directory traversal to require call leading to local file inclusion which can allow an attacker to gain remote code execution. Notes: - You need to have an admin session to run this poc. - You can use the directory traversal to reach outside of t...

Vanilla: Abusing "Report as abuse" functionality to delete any user's post.

Hi Team, Greetings!! Description: I would like to report a vulnerability that can be used to delete any user’s post by abusing “Report an abuse” function within application. After specific number of reports submitted to server, it automatically deletes that post of user. Application has...

ExpressionEngine: License verification mechanism can be bypassed

@unbaiat discovered that an invalid license file could be accepted as valid in certain circumstances. @unbaiat gave a detailed report with step-by-step instructions for replicating, enabling a speedy resolution to the issue...

ExpressionEngine: Persistent XSS via malicious license file

@unbaiat discovered that the display of the license file information was not properly sanitized leaving it vulnerable to XSS. @unbaiat gave a detailed report with step-by-step instructions for replicating, enabling a speedy resolution to the issue...

Vanilla: Vanilla Forums domGetImages getimagesize Unserialize Remote Code Execution Vulnerability (critical)

Summary: An unauthenticated attacker can inject an serialized payload into a phar archive and trigger read access to it via an unprotected getimagesize. The attacker can leverage this to deserialize untrusted data and gain remote code execution. Notes: - THIS BUG IS UNAUTHENTICATED, however you...

Mail.ru: [moba.my.com] phpinfo, logs

PHP info and fragment of access logs were available...

Mail.ru: [sj.my.com] Source Code Disclosure /.svn/wc.db

Available SVN files for sj.my.com led to source code disclosure. sj.my.com is not currently covered by Bug Bounty program...

Starbucks: Unauthorized access to a system used for CI/CD processes

@k3m reported a vulnerability allowing unauthorized access to a system used for CI/CD processes. Our teams quickly restricted access and fixed the vulnerability. Thank you @k3m for a detailed report...

HackerOne: User login page doesn't implement any form of rate limiting

Hi Team, Summary: As a best practice a login page should have a rate limitting just like hackerone.com Vulnerable Request POST /auth/postlogin HTTP/1.1 Host: ctf.hacker101.com User-Agent: Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: https://ctf.hacker101.com/...

IBM: Reflected XSS and Blind out of band command injection at subdomain dstuid-ww.dst.ibm.com

I found an XSS and Blind OS based injection issue due to the incorrect handling of the characters in THE EMAIL get& post parameters. A injected and a sleep command succesfully executed, the following link works as a PoC that alerts the string in the script: I reproduced the same on Firefox and IE...

HackerOne: Missing Certificate Authority Authorization rule

Certificate Authority Authorization supported by LetsEncrypt and other CAs allows a domain owner to specify which Certificate Authorities should be allowed to issue certificates for the domain. All CAA-compliant certificate authorities should refuse to issue a certificate unless they are the CA o...

Vanilla: Vanilla Forums ImportController index file_exists Unserialize Remote Code Execution Vulnerability

Summary: An authenticated admin user can inject an serialized payload into a phar archive and trigger read access to it via an unprotected fileexists. An attacker can leverage this to deserialize untrusted data and gain remote code execution. Notes: - You need to have an admin account to run this...

Valve: unlock self-lock by brute force

Due to a missing protection on the self account unlock feature, self unlock codes could be bruteforced - leading to unrestricted access to the account. The endpoint issue has been corrected...

Vanilla: Vanilla Forums Xenforo password splitHash Unserialize Remote Code Execution Vulnerability

Summary: An authenticated admin user can inject an unserializable password in a another users account. Later when attempting a login with that user, the attacker can trigger a call to an unserialize in the splitHash function. By using a custom pop chain to write into the constants.php file, an...

Uber: Full Path and internal information disclosure+ SQLNet.log file disclose internal network information

The site at lab.usuppliers.uber.com was intended only for authenticated users, but certain internal pages did not enforce an authentication requirement. The log file at /OAHTML/bin/sqlnet.log disclosed internal Uber IP addresses, hostnames, and one internal username. Thanks again for this report...

U.S. Dept Of Defense: Account takeover due to CSRF in "Account details" option on █████████

Summary: Hi DoD team, similarly to the previous CSRF that I've reported, I've found another CSRF in the same domain, but on the Account details option. Description: The CSRF issue allows me to modify the datas of every victim that is targeted using the CSRF file, and leading to account takeover...

Tor: Expose user IP if TOR crashs

Greetings, I have noticed that for unpredictable reason a TOR relay can exposes the IP of an user. I noticed this by going to the server http://195.176.3.24/ and getting information about the headers. I arrived to this header who is : "X-Your-Address-Is" . How : -- - So I went to this tor-relay...

HackerOne: Discrepancy in hacker profile report count may reveal existence of a private program by publishing a report

Hi team , @pei, @jobert , @bencode Summary: Again We have publish report page https://hackerone.com/hacktivity/publish But we have bypass query 401476 this description The profile page counts the number of created your reports. But it does not consider the reports that are created in the sandbox...

Internet Bug Bounty: Improper handling of Chunked data request in sapi_apache2.c leads to Reflected XSS

Hey, Chunked requests can trigger xss and html injection at any end point because the APRBRIGADEINSERTTAILbrigade, bucket is getting destroyed by other handlers. Affected versions: Any OS: Any https://bugs.php.net/bug.php?id=76 Prashanths-MacBook-Pro: prashanthvarma$ nc localhost 80 POST /lol.php...

Shopify: Some store settings/data are accessible to "No Access" permission users on GraphQL LiveView operation

Summary GraphQL LiveView operation doesn't properly check for permissions before returning data. This allows "No Access" users to access some store settings and data by providing complete Shop schema fields in the request string. Steps to reproduce 1. Log into an attacker account of a test store...

Node.js: Http request splitting

Hi, I came upon the following tweet today: https://twitter.com/YShahinzadeh/status/1039396394195451904 which details a http request splitting vulnerability in NodeJS. You can confirm it with the following repro script: const http = require'http' const server = http.createServerreq, res =...

Valve: XSS in steam react chat client

The Steam chat client both sends and receives bbcode format chat messages. These map to HTML elements, and notably the url bbcode tag is supported for arbitrary URLs. React has strong XSS mitigations but does not mitigate javascript: URI based XSS. This is rather difficult to exploit as the clien...

Shopify: SSRF in hatchful.shopify.com

This vulnerability similar to https://hackerone.com/reports/156877 , that I found in your old version of your logo-creator. During logo-creating process the user can select logo in wysiwyg editor, then enter email address and wait. In this moment server send to user's browser large amount of data...

Grammarly: "More on Wikipedia" link disclose "Referrer" and leak `window.opener` reference for arbitrary websites

Summary: "Referrer" leak http:// link to Wikipedia transferring Referrer header allows a remote attacker with MITM access to sniff Referrer URL for important tokens after following "More on Wikipedia" link. Controllable page MITM with window.opener pointing to the navigation-initiated webpage...

Internet Bug Bounty: mod_userdir CRLF injection (CVE-2016-4975)

Possible CRLF injection allowing HTTP response splitting attacks for sites which use moduserdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Reported to security team 24th July 2016 Issu...

Mail.ru: XSS in touch.mail.ru

Browser specific user assisted DOM based XSS in message editor undo functionality via quoted content. Vulnerability did not affected mobile browsers used by majority of touch.mail.ru web interface users...

GitLab: Bypass of GitLab CI runner slash fix in YAML validation

Hi Gitlab Security, I notice the bug 301432 that Jobert reported earlier is could be bypassed by setting variable in environment. The reason is that the fix in place preventing url normalization is performed by doing the YAML validation, however this could be bypassed by setting the environment...

GitLab: Stored XSS in merge request pages

Summary: I found a Stored XSS in merge request pages. Description: The exploit is via the parameter mergerequestsourcebranch of the request to create a New Merge Request. Steps To Reproduce: 1. Sign ikn to GitLab. 2. Click the "+" icon. 3. Click "New Project". 4. Fill out "Project name" form with...

HackerOne: Denial of service via cache poisoning

An attacker can persistently block access to any/all redirects on www.hackerone.com by using cache poisoning with the X-Forwarded-Port or X-Forwarded-Host headers to redirect users to an invalid port. To replicate: curl -H 'X-Forwarded-Port: 123'...

U.S. Dept Of Defense: Broken Authentication

Summary: IDOR Description: It is possible to access other user account by changing the parameter 'email' to another valid e-mail, i managed to guess an existing user '███████@███.com' which discloses the ███ Name and Surname. Impact Information Disclosure Step-by-step Reproduction Instructions...

U.S. Dept Of Defense: Cross Site Scripting (XSS) – Reflected

Reflected Cross-site Scripting XSS occur when an attacker injects browser executable code within a single HTTP response.When a web application is vulnerable to this type of attack, it will pass unvalidated input sent through requests back to the client. The value of request parameter is copied in...

Mail.ru: Cross-site Scripting (XSS) - Reflected vseapteki.ru

Reflected XSS via GET parameters in vseapteki.ru...

Mail.ru: Stored XSS

XSS in "Undo" functionality of message editing on replying to malformed message...

Mail.ru: ДОБАВЛЕНИЕ СВОИХ ДАТ В КАЛЕНДАРЬ ПОЛЬЗОВАТЕЛЮ !

Reporter pointed to possibility to mark scheduled meeting request sent via ICS file as accepted in calendar via CSRF by bruteforcing attachment id. Currently, this behavior is not believed to introduce real additional security risks, because meeting can be added anyway without user's intervention...

BOHEMIA INTERACTIVE a.s.: Weak Password Policy on Signup at https://accounts.bistudio.com/auth

Hi, I found that you are using a weak password policy! Because user can set his password same as Email address! Steps To reproduce: 1. Register an account with Email address "[email protected]" 2. Also password "[email protected]". You can see both values are same. You will become successfully register...

Valve: [help.steampowered.com] Account takeover bruteforcing SteamGuard

Due to a missing protection on a support endpoint, email verification codes could be bruteforced - leading to possible account takeover. The endpoint issue has been corrected...

GitLab: Unauthorized users may be able to view almost all informations related to Private projects.

Summary: On the most of pages related to Private projects, cache control is inadequate, so the contents of Private projects may leak to unauthorized users. Description: For visibility of projects, you can select Public, Internal, and Private. Among them, Private projects can only be viewed from...

Vanilla: Vanilla Forums Gdn_Format unserialize() Remote Code Execution Vulnerability

Summary: An authenticated admin user can trigger a call to unserialize which can allow an attacker to gain remote code execution. Description: Please bare with me on this one, it's heavy. Ok, so after setting a Garden.TouchIcon setting it can be several settings, this is just an example of one we...

Greenhouse.io: Subdomain Takeover on demo.greenhouse.io pointing to unbouncepages

Actuall this report is same as of this one:- https://hackerone.com/reports/38007 Subdomain takeover vulnerabilities occur when a subdomain subdomain.example.com is pointing to a service e.g. GitHub pages, Heroku, etc. that has been removed or deleted. This allows an attacker to set up a page on t...