HackerOne: Race Conditions Exist When Accepting Invitations

Hi All, Further to my last two comments on report 118312 and realizing that tokens are being stored in the DB, I realized there is probably a race condition vulnerability which allows invitation tokens to be consumed at least twice depending on the server/database response time. I tested it tonig...

Ruby on Rails: Nested attributes reject_if proc can be circumvented by providing "_destroy" parameter

Nested attributes rejection proc bypass in Active Record. There is a vulnerability in how the nested attributes feature in Active Record handles updates in combination with destroy flags when destroying records is disabled. This vulnerability has been assigned the CVE identifier CVE-2015-7577...

Mail.ru: XXE and SSRF on webmaster.mail.ru

SSRF request: POST /domain/metadata HTTP/1.1 Host: webmaster.mail.ru User-Agent: Mozilla/5.0 Macintosh; Intel Mac OS X 10.9; rv:29.0 Gecko/20100101 Firefox/29.0 Accept: application/json, text/javascript, /; q=0.01 Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate...

Internet Bug Bounty: TLS Virtual Host Confusion

I am a security researcher at INRIA Paris in team PROSECCO http://prosecco.inria.fr We have been investigating a new class of attacks against the deployment of TLS on the Web. The main idea behind these attacks is that when two servers host different domains but share the same certificate which...

Ruby: Ruby: Heap Overflow in Floating Point Parsing

Any time a string is converted to a floating point value, a specially crafted string can cause a heap overflow. This can lead to a denial of service attack via segmentation faults and possibly arbitrary code execution. Any program that converts input of unknown origin to floating point values...

Internet Bug Bounty: important: Apache HTTP Server may use exploitable/malicious backend application output to run local handlers via internal redirect (CVE-2024-38476)

The Apache HTTP Server vulnerability CVE-2024-38476 was discovered in versions 2.4.0 through 2.4.59. The vulnerability allowed the use of exploitable or malicious backend application output to run local handlers via internal redirect. Users were recommended to upgrade to version 2.4.60, which fix...

curl: CVE-2024-2379: QUIC certificate check bypass with wolfSSL

The vulnerability in vquic-tls.c in the curlwsslinitctx function allowed for a certificate check bypass when using the WolfSSL backend. The error handling was not properly implemented, resulting in a potential bypass of the certificate verification requirements...

Internet Bug Bounty: Request Smuggling in Apache Tomcat (Important, CVE-2023-45648)

A vulnerability in Apache Tomcat versions 11.0.0-M1 to 11.0.0-M11, 10.1.0-M1 to 10.1.13, 9.0.0-M1 to 9.0.80, and 8.5.0 to 8.5.93 allowed HTTP request smuggling due to improper parsing of trailer headers. This could be exploited by a remote attacker to bypass security controls when Tomcat was...

HackerOne: Bypass of #2035332 RXSS at image.hackerone.live via the `url` parameter

A reflected cross-site scripting RXSS vulnerability was discovered on the image.hackerone.live website. The vulnerability allowed an attacker to bypass the fix implemented for a previous RXSS issue. By modifying the server's response to a HEAD request, the attacker could change the Content-Type a...

inDrive: #2 XSS on watchdocs.indriverapp.com

An XSS vulnerability was discovered on watchdocs.indriverapp.com. The vulnerability allowed execution of JavaScript on the user's browser...

Node.js: CRLF Injection in Nodejs ‘undici’ via host

A CRLF injection vulnerability existed in the 'host' header of undici.request API, allowing an attacker to inject arbitrary HTTP headers and conduct various attacks. The vulnerability impacted undici library versions up to 5.14.0...

Nextcloud: Mail app - blind SSRF via smtpHost parameter

A blind SSRF vulnerability was discovered in the Nextcloud Mail application, allowing an attacker to retrieve services running locally on the server and scan the internal network for information. The vulnerability was found in the smtpHost parameter and could be exploited by any user with the mai...

Internet Bug Bounty: Buffer Overflow in optimized_escape_html method

This report is a copy of bug report https://hackerone.com/reports/1328463. I was asked to submit this bug here, because Ruby bug bounty program is moved to this new Internet Bug Bounty program. Operating System ================ Windows 10 This should reproduce in any other operating system where...

Semrush: Improper input validation in projects leads to fully deny access to project resources

INTRODUCTION Accounts used to search for this vulnerability: - id: █████████ email:███ - id: █████████ email: █████████ Most of the requests made to test the vulnerability were made with the "X-hackerone: adam" header IP used: ████ / ███ Endpoint URL:...

GitHub Security Lab: [Java] CWE-295 - Incorrect Hostname Verification - MitM

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

Stripo Inc: No rate limiting for subscribe email + lead to Cross origin misconfiguration

Summary: I found bypass no rate limiting using Access-Control-Allow-Origin: and look the response as 200 vulnerable No rate limit means their is no mechanism to protect against the requests you made in a short frame of time. If the repetition doesn't give any error after 50, 100, 1000 repetitions...

Shopify: Bypass For #997350 your-store.myshopify.com preview link is leak on third party website Via Online Store

Hi Security Team, Description Full Description in 997350 The owner of that website can perform a security compromise by grabbing those links. Solution: The solution is very very SIMPLE. Just include the following HTML code in the following in code between tags of the html of the page: This will n...

CS Money: Blind XSS on image upload

Summary: - The CSRF vulnerability make a request for support.cs.money/uploadfile; This uploadfile does not have csrf token/ origin/ reference verification! - The XSS allows to execute JS. The payload of the XSS stay in the param 'filename' of the CSRF request. Steps To Reproduce: XSS - use a prox...

TikTok: Blind SSRF in ads.tiktok.com

A Server Side Request Forgery SSRF vulnerability was reported on the TikTok ads portal. This flaw has since been remediated. We thank @chihuahua for reporting this vulnerability to our team and confirming the resolution...

h1-ctf: [H1-2006 2020] CTF writeup

Context Well, against all expectations you finally get it, you got the flag! Let's go back in time to remember how. --- Twitter Once upon a time As always the CTF starts with a tweet: F855948 --- Subdomains According to the policy page, .bountypay.h1ctf.com is in scope. You decide to scan...

Razer: 🐞 OS Command Injection at https://sea-web.gold.razer.com/lab/ws-lookup via IP parameter

The tester discovered a Razer Gold Thailand site that suffered from a service with a command injection vulnerability. Razer thanks the tester for his report and clear PoC. a real world CTF-Like challenge 😅 Burpsuite Collaborator Client was very helpful Thanks @Razer for the bounty 🥳...

Nord Security: The Linux binaries (nordvpn and nordvpnd) don't use PIE/ASLR

Summary: The Linux binaries nordvpn and nordvpnd don't have PIE/ASLR enabled. A such feature is used to harden programs against the exploitation of memory corruption bugs and should be enabled. The use of ASLR has long been debated among the Golang community. However, it seems that it's becoming...

X (Formerly Twitter): iOS app crashed by specially crafted direct message reactions

Summary: iOS app crashed by specially crafted direct message reactions Description: Twitter does not properly sanitize direct message reactions, making it possible for arbitrary reaction text to be shown to the user via the message preview in the direct message list. Special characters such as \r...

Zomato: Stealing Zomato X-Access-Token: in Bulk using HTTP Request Smuggling on api.zomato.com

Intro Hi Zomato Security Team! My name is Evan Custodio and this is my first time evaluating your platform. I specialize in looking for server-side vulnerabilities. Recently I've taken a deep look at HTTP Request Smuggling issues. I have custom tools to evaluate over 150 types of HTTP Smuggling...

Nextcloud: SSRF on local storage of iOS mobile

The tester uploaded the text file, containing "test ssrf" message, in order to proof SSRF attack. 2. Next, the tester uploaded the common file and then manipulate the content and extension file to html format in order to find the application path: 3. The tester access that file and found the...

OWOX, Inc.: The URL in "Choose a data source'' at "https://bi.owox.com/ui/settings/connected-services/setup/" is not filtered => reflected XSS.

Hi team, This is another report with 732987. Because it is completely independent Detail -- In the process of selecting the data source at https://bi.owox.com/ui/settings/connected-services/setup/, I found a reflected XSS. Specifically, when you click on Google Analytics, a page will appear for y...

Central Security Project: Unrestricted File Upload Leading to Remote Code Execution

Description As an administrator user it is possible to create files and directories in any location on the file system of the server. This can be abused to write files to any sensitive location on the Windows file system because the Nexus process runs with SYSTEM privileges. This can allows an...

ok.ru: [insideok.ru] Remote Command Execution via file upload.

Incorrect configuration of the insideok.ru web server allowed PHP execution in the directory with user-generated files, which could be used for RCE...

WordPress: Stored XSS Vulnerability

Hi there, I found a stored xss @ https://core.trac.wordpress.org/ Steps: 1. Go to https://core.trac.wordpress.org/ and login. open new private window and login with another account 2. Go to https://core.trac.wordpress.org/newticket and set a summary and description. 3. Select a Workflow Keyword a...

Shopify: H1514 Removed Staff members who had "Apps" permission can still modify flow app connections

Summary: It's been found that removed staff members who had "Apps" permission can still modify flow app connection settings due to improper authorization. Description: Flow app https://apps.shopify.com/flow allows users to connect their Google Sheets, Trello and Asana accounts to their flow...

Rocket.Chat: Blind XSS in the rocket.chat registration email

Note: This report was initially sent via email and I was invited to submit this here. Hi team, During an audit on a third-party, I discovered that rocket.chat Android client might be vulnerable to blind XSS. My XSS payload fired in the context of the target's rocket.chat client as you can see bel...

Trello: Stored XSS in Treeview plugin

There was a potential XSS issue in a third party power-up. While issues with third party apps are generally out of scope for our bug bounty program, in this case we opted to award a small bounty...

VK.com: Определение id по номеру телефона

Недостаточность проверок в определенных запросах...

Legal Robot: Name can't be numbers or email

Hi Team, I observe a strange behaviour in your registration form. When we are making account and entering the first and last name. According to security concerns you should force user to write their first and last names which actually looks like name for example your should force users that the...

Pornhub: [stored xss, pornhub.com] stream post function

Stored Cross Site Scripting The user profile page is vulnerable to stored cross site scripting, a user can post a text post on their page with the following as the message body: http://url=http://www.pornhub.com/"/onmouseover="alertdocument.domain"/http://a/"/url This gets stored in a post and ca...

Gratipay: Prevent content spoofing on /~username/emails/verify.html

Hi, When an user add his email then a verification link has been sent to that email. the link looks like this https://gratipay.com/exampleuser/emails/verify.html?email=example%40gmail.com&nonce=cb2487f6-61cf-4a8a-81af-c8fab6fe0f90 The link has three changeable things. 1. Username ex: exampleuser ...

Ubiquiti Inc.: Subdomain Takeover in http://assets.goubiquiti.com/

Hi there, Its urgent issue about your subdomain http://assets.goubiquiti.com pointing to AWS S3 but no such website configuration is made. This unused subdomain can claim by anyone and fully take over it. An attacker can fully takeover this subdomain and do whatever he wants. this can cause huge...

X (Formerly Twitter): XSS in twitter.com/safety/unsafe_link_warning

The following page has XSS. https://twitter.com/safety/unsafelinkwarning?unsafelink=vulnerableparam Steps to reproduce: 1. Go to the following URL using IE:...

Mobile Vikings: Stored XSS in Direct debit name

Make new or edit old Direct debit for example https://mobilevikings.be/en/account/easypay/correct-direct-debit-mandate/111366/ 2. Fill owners name with payload asdf'"alertdocument.cookie 3. Save form. We got Stored XSS in pages: https://mobilevikings.be/en/account/easypay/...

Yahoo!: REMOTE CODE EXECUTION/LOCAL FILE INCLUSION/XSPA/SSRF, view-source:http://sb*.geo.sp1.yahoo.com/, 4/6/14, #SpringClean

Thank you for your submission to the Yahoo Bug Bounty program. We were able to reproduce the issue you reported and have implemented appropriate fixes. We appreciate your adherence to responsible disclosure guidelines and look forward to your future participation in the program...

Internet Bug Bounty: Handling of jar: URIs bypasses AllowScriptAccess=never

This bug was reported directly to Adobe. http://helpx.adobe.com/security/products/flash-player/apsb14-02.html...

Node.js: Bypass incomplete fix of CVE-2024-27980

The CVE-2024-27980 was identified as an incomplete fix for the BatBadBut vulnerability. This vulnerability arose from improper handling of batch files with all possible extensions on Windows via childprocess.spawn and childprocess.spawnSync. A malicious command line argument could have been used ...

Internet Bug Bounty: Proxy-Authorization header not cleared on cross-origin redirect in undici.request

The Proxy-Authorization header was not cleared on cross-origin redirects in the Undici HTTP client library. This issue was reported and patched in later versions of Undici...

HackerOne: Private information exposed through GraphQL search endpoints aggregates

Private information could be exposed through the aggs argument on the search and opportunitiessearch endpoints on the GraphQL root node, allowing for the potential exposure of private program handles and other data that can be aggregated...

Nextcloud: [nextcloud/server] Moment.js vulnerable to Inefficient Regular Expression Complexity

Describe the bugs: 🐛 moment is a lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates. affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the preprocessRFC2822 function in from-string.js, when processing a...

Internet Bug Bounty: Airflow Daemon Mode Insecure Umask Privilege Escalation

Apache Airflow prior to 2.3.4 had multiple components with an insecure daemon umask of 0, resulting in critical files and directories to be world writable. As such, any local user can infer Airflow to process specially crafted input and ultimately perform a privilege escalation to user executing...

GoCD: Open S3 Bucket Accessible by any Aws User

Description: It has been observed that the amazon s3 bucket which i believe belongs to GoCD as it contains data related to GoCD █████ documents and all is misconfigured as a result any unauthenticated users can access it without any restrictions Step-by-step Reproduction Instructions 1.Access...

Basecamp: Subdomain Takeover due to ████████ NS records at us-east4.37signals.com

Description Hi! I have discovered that us-east4.37signals.com was pointing to an unclaimed ████ NS zone and I've managed to claim it in my account. POC http://nagli.us-east4.37signals.com/takeover.html F1451587 Remediation Make sure to configure the DNS records under us-east4.37signals.com Best...

Revive Adserver: Use of a Broken or Risky Cryptographic Algorithm

revive-adserver utilizes a PRNG for session-token generation, this means that an attacker could theoretically be able to generate session tokens at random and take over accounts at random. This function does not generate cryptographically secure values, and should not be used for cryptographic...

UPchieve: Failed to validate Session after Password Change

While conducting my research I discovered that the application Failed to validate session after password change. In this scenario changing the password doesn't destroys the other sessions which are logged in with old passwords in another browser. Steps To Reproduce: 1 Login with the same account ...