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...

RBKmoney: Information Disclosure - Composer.lock

Non-sensitive information disclosure via composer.lock...

Legal Robot: SSL BREACH attack (CVE-2013-3587)

Hello security team, The site legalrobot.com is potentially vulnerable to the BREACH attack. Allowing an attacker the ability to: - Inject partial chosen plaintext into a victim's requests - Measure the size of encrypted traffic - can leverage information leaked by compression to recover targeted...

LocalTapiola: OpenSSL Padding Oracle Attack (CVE-2016-2107) on viestinta.lahitapiola.fi

Hello Lahitapiola Security Team, I would like to make two reports: 1. Subdomain viestinta.lahitapiola.fi is vulnerable to CVE-2016-2107 . 2. All the Lahitapiola domains/subdomains in scope of bug bounty have weak cipher suites and are susceptible to various SSL related attacks. Subdomain...

h1-ctf: [h1-415 2020] h1ctf{y3s_1m_c0sm1c_n0w}

Summary: add summary of the vulnerability Account takeover was possible because of the email validation used - [email protected] could be registered, but when the the system created the recovery QR code the extra symbols would get stripped leaving us with a valid recovery QR code to log into...

X (Formerly Twitter): Sub Domain Takeover at mk.prd.vine.co

Hey It looks like the EC2 Instance at mk.prd.vine.co has been stopped and now it has been assigned to someone else Proof of Concept 1. http://mk.prd.vine.co/ few days back didn't have port 443 open but now it does have an open port 443 Response 400 Bad Request 400 Bad Request awselb/2.0 So it loo...

Node.js: HTTP Request Smuggling due to ignoring chunk extensions

Summary: The llhttp parser in the http module in Node 16.3.0 ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling HRS when a Node server is put behind an Apache Traffic Server ATS 9.0.0 proxy. Description: In the chunked transfer encoding format...

Glovo: Moodle XSS on evolve.glovoapp.com

Cross Site Scripting XSS / Moodle XSS Summary : Cross-site scripting XSS is a type of computer security vulnerability typically found in web applications. XSS enables attackers to inject client-side scripts into web pages viewed by other users. A cross-site scripting vulnerability may be used by...

Courier: Logout page does not prevent CSRF

Summary: Cross-Site Request Forgery CSRF is an attack that forces an end user to execute unwanted actions on a web application in which they're currently authenticated. ... If the victim is an administrative account, CSRF can compromise the entire web application. Steps To Reproduce: 1.Create a...

RATELIMITED: xss in /users/[id]/set_tier endpoint

Summary: add summary of the vulnerability Hello there ! I found an XSS since you forgot to add the json content-type response header right there: https://github.com/gtsatsis/RLAPI-v3-OOP/blob/508d3c610ccc9076753bdc81151a5e8d76871a3e/src/Controller/UserController.phpL93 The tier parameter is...

Chaturbate: No rate limiting in changing room subject.

Before i shed more light on this: I noticed i can create over 200 apps but i don't really know how valid that was. I want to report that there is no rate limiting in changing room subject. Attacker scenrio: 1. Navigate to https://chaturbate.com/b/your username 2. Try to create a room subject and...

Bumble: Bumble API exposes read status of chat messages

Summary The Bumble app allows matches to chat with each other. In the mobile apps it is possible to see whether a message has been delivered the webapp does not offer this feature, but the read status of messages is never disclosed. However, by issuing a POST request to the API endpoint at...

IRCCloud: Exposed, outdated nginx server (v1.4.6) potentially vulnerable to heap-based buffer overflow & RCE

Summary ======== During my reconnaissance for your bug bounty program, I discovered an instance of nginx version 1.4.6 running at the IP address https://54.153.101.52. To locate it, I search for IRCCloud-related certificated and found the self-signed certificate for this server...

h1-ctf: [h1ctf-Grinch Networks] MrR3b00t Saving the Christmas

Disclaimer: Certain things are a bit modified to set the pieces for the story. Also you can find the flags for all 12 challenges in file F1138300 , Now enjoy : █▀▄▀█ █▀█ ░ █▀█ █▄▄ █▀█ █▀█ ▀█▀ █░▀░█ █▀▄ ▄ █▀▄ █▄█ █▄█ █▄█ ░█░ saves the Christmas Episode - 0x00 Pil0t.py It was a gloomy clear night,...

Showmax: Wordpress directories/files visible to internet

A misconfiguration caused two directories being listable in our marketing blog that's running on wordpress. As the domain is out-of-scope of our program and the uploaded files include marketing material, it had no serious impact...

Rocket.Chat: Post-Auth Blind NoSQL Injection in the users.list API leads to Remote Code Execution

Summary: The users.list API endpoint is vulnerable to NoSQL injection attacks. It can be used to take over accounts by leaking password reset tokens and 2FA secrets. Taking over an admin account leads to Remote Code Execution. Description: The users.list API endpoint takes a custom query via the...

GitHub Security Lab: XPath Injection query in java

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

HackerOne: Login page password-guessing attack

A brute-force attack is an attempt to discover a password by systematically trying every possible combination of letters, numbers, and symbols until you discover the one correct combination that works. hackerone.com page doesn't have any protection against password-guessing attacks brute force...

Flickr: Information Disclosure: .dockerignore file is publicly accessible

Vulnerability description not provided...

GitLab: RCE when removing metadata with ExifTool

Summary When uploading image files, GitLab Workhorse passes any files with the extensions jpg|jpeg|tiff through to ExifTool to remove any non-whitelisted tags. An issue with this is that ExifTool will ignore the file extension and try to determine what the file is based on the content, allowing f...

Node.js third-party modules: [exceljs] Possible XSS via cell value when worksheet is displayed in browser

Hi Team, I would like to report Stored XSS vulnerability in exceljs module. It allows to execute JavaScript code embeded in the XLS sheet when data from the sheet are displayed in the browser. Module module name: exceljs version: 1.4.6 npm page: https://www.npmjs.com/package/exceljs Module...

Node.js: Node.js is vulnerable to the Marvin Attack (timing variant of the Bleichenbacher attack against PKCS#1 v1.5 padding)

A timing side-channel vulnerability in the crypto library's privateDecrypt API allowed attackers to remotely exploit and decrypt or forge signatures when processing encrypted messages...

OneWeb: Vulnerable Jira Instance

Multiple information exposure vulnerabilites were identified in a Jira Server instance unauthenticated access to APIs and system browser functions. @lesleybw found multiple CVEs and exposures on a Jira instance owned by OneWeb 1...

InnoGames: Cache Poisoning via uppercase letters in invalid path

Summary of the issue Cache poisoning vulnerability appears in the request to innogames.com. The issue arises when language path parameter from the url gets processed on the backend to become lowercase. Then if a path provided in X-Forwarded-Host does not exist on the server, 301 response is...

Khan Academy: Cross site scripting (content-sniffing)

Your website may be vulnerable to cross site scripting attacks HTTP request: GET...

Bumble: Email Spoofing

There is an Email Spoofing Vulnerability. Steps to reproduce: 1 Go to http://emkei.cz/ 2 Fill "From Email" field to [email protected] or any other badoo email. 3 Fill the victim's address your address to "TO" field and fill in other details as you wish. You will receive email from badoo admin...

X (Formerly Twitter): IDOR- Activate Mopub on different organizations- steal api token- Fabric.io

Hello, There is an option to enroll your organization in fabric.io for mopub , but this particular end point is missing proper authorization checks allowing any user to steal API tokens. Vulnerable request ================ POST /api/v3/organizations/5460d2394b793294df01104a/mopub/activate HTTP/1....

Nord Security: Arbitrary Set-Cookie via "?coupon=" due to semi-colon not encoded

Related to , the separator in the cookie header is semi-colon ; and this issue is caused by semicolon ; not encoded, so the attacker can arbitrarily manipulate cookies. Arbitrary set cookie will cause several problems like: - Session Fixation - Cookie Bomb Client-Side DoS - Etc Vulnerable Endpoin...

Node.js: url.parse() hostname spoofing via javascript: URIs

Summary: Using url.parse in security sensitive checks is dangerous as an arbitrary hostname can be spoofed via javascript: URIs. Description: The original url.parse API is dangerous as it allows to spoof an arbitrary hostname via a javascript: URI: bash $ node -e...

Pornhub: [IDOR] Deleting other users comment

Hello, Normally you cannot delete comments if you post on someones stream and i have found a way to delete others comment. PoC: https://youtu.be/mxEE9vcxKA Let me know if you cannot reproduce it ! Thanks! Mikko...

curl: [Critical] Curl CVE-2023-38545 vulnerability code changes are disclosed on the internet

Vulnerability description not provided...

ownCloud: SMB User Authentication Bypass and Persistence

Authentication Bypass ================== The external user authentication app in OwnCloud does not properly authenticate against an SMB server. In it's current implementation, the file owncloud/apps/userexternal/lib/smb.php, line 46-47 uses the command smbclient -L //host/dummy -Uuser%pass, where...

Mail.ru: [iot-hackathon.geekbrains.ru] Tilda Subdomain Takeover

iot-hackathon.geekbrains.ru subdomain was delegated to tilda.cc service, which is vulnerable to takeover...

Pornhub: Reflect XSS on Mobile Search page

The user was able to exploit the 'search' parameter being reflected in the page body in order to execute reflected XSS within the context of Redtube. Many of developer confuse that adding slashes at double quotes can protect the xss. However, At the DOM, Adding slashes is not protecting XSS...

curl: Buffer Overflow Risk in Curl_inet_ntop and inet_ntop4

Curl is a software that I love and is an important tool for the world. If my report doesn't align, I apologize for that. The Curlinetntop function is designed to convert IP addresses from binary format to human-readable string format, supporting both IPv4 and IPv6. It internally delegates to...

MTN Group: Password reset token leak on third party website via Referer header [cloudivr.mtnbusiness.com.ng]

Summary: F1426175 It has been identified that the application is leaking referrer token to third party sites. In this case it was found that the password 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...

h1-ctf: [H1-2006 2020] Bypassing access control checks by modifying the URL, internal application state, or the HTML page, or using a custom API attack tool

H1-2006 CTF Writeup F859938 Summary: Access control enforces policy such that users cannot act outside of their intended permissions. Failures typically lead to unauthorized information disclosure, modification or destruction of all data, or performing a business function outside of the limits of...

PlayStation: Use-After-Free In IPV6_2292PKTOPTIONS leading To Arbitrary Kernel R/W Primitives

Summary Due to missing locks in option IPV62292PKTOPTIONS of setsockopt , it is possible to race and free the struct ip6pktopts buffer, while it is being handled by ip6setpktopt. This structure contains pointers ip6popktinfo that can be hijacked to obtain arbitrary kernel R/W primitives. As a...

Razer: Expired reCAPTCHA site key leads to Rate Limit Bypass and Email Enumeration

The tester discovered a configuration issue involving Google reCAPTCHA that would allow adversaries to enumerate valid email addresses for users. While minor, Razer appreciates the report and clear PoC...

Open-Xchange: SSL Certification Expired And TLS Vulnerability

I Found SSL Certification Expired at https://licenses.dovecot.fi/ I Found Vulnerability CVE-2016-2183 lists.dovecot.fi CVE-2016-2183 Description : A flaw was found in the way the DES/3DES cipher was used as part of the TLS/SSL protocol. A man-in-the-middle attacker could use this flaw to recover...

Pornhub: HTTP Track/Trace Method Enabled

Researcher identified that HTTP TRACE method was enabled...

SHEIN: RCE via npm misconfig -- installing internal libraries from the public registry

The following node package has been installed on at least one shein owned build/development server directly from the public npm registry. https://www.npmjs.com/package/shineout-mobile This package should normally be downloaded from the internal shein registry, but a misconfiguration appears to ha...

h1-ctf: [h1-415 2020] Multiple vulnerabilities leading to leaking of secret user files

Hello, I'm just submitting both flags for CTF, will send my write up on hacker summary, since it's 7:00 am now :. Original flag for CTF: h1ctfy3s1mc0sm1cn0w Extra flag for unintended account takeover: h1ctfwtf1shapp3ningw1thth1ss1mulat1on Sincerely, @nukedx Impact By chaining multiple...

Mail.ru: [ii.worki.ru ] emarsys subdomain takeover

hi team i am find a subdomain takeover vulnerbility in ii.worki.ru subdomain the ii.worki.ru which is delegated to emarsys.net , which is vulnerable to takeover. CName :- ████████ Name: ii.worki.ru Type:CNAME when you search https://ii.worki.ru it redirects to █████████ which is emarsys.net servi...

Node.js: Denial of Service by resource exhaustion CWE-400 due to unfinished HTTP/1.1 requests

Summary: Node.js is vulnerable to HTTP denial of service DOS attacks based on delayed requests submission which can make the server unable to accept new connections. Description: An attacker can open an arbitrary number of HTTP connections and keep the server busy by never completing the request...

TikTok: IDOR delete any Tickets on ads.tiktok.com

An IDOR Insecure Direct Object Reference vulnerability was found on TikTok ads, through the "draftorderid" parameter which could have allowed an attacker to delete the support tickets of other users. We thank @datph4m for reporting this to our team and confirming its resolution...

Visma Bug Bounty Program: Unrestricted file upload when creating quotes allows for Stored XSS

An attacker is able to bypass the restrictions which limit user uploads to .PDF only. Utilizing this exploit an attacker can upload malicious content to the web server. First the system checks the MIME-Type, and if it fails too match Content-Type: application/pdf then the upload won't be processe...

Internet Bug Bounty: Key Reinstallation Attacks: Breaking WPA2 by forcing nonce reuse

Full background information is at krackattacks.com and all detailed information can be found in our research paper. Key Reinstallation Attack: 4-way handshake example We use the 4-way handshake to illustrate the idea behind key reinstallation attacks CVE-2017-13077. Note that in practice, all...

hostinger : 1 Click Account Takeover via Auth Token Theft on marketing.hostinger.com

The vulnerability discovered in the marketing.hostinger.com subdomain allowed for one-click account takeover through the theft of authentication tokens. An attacker could exploit the whitelisted redirect functionality of the subdomain to steal a victim's authentication token, which could then be...

TikTok: Unauthorized Access to TikTok Account [Private Videos] via API Endpoint

The vulnerability on a TikTok endpoint that allowed unauthorized viewing of videos from private accounts was discovered and reported by @datph4m. The issue was subsequently remediated...