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...

curl: Security Analysis Report: CURL Integer Overflow Vulnerability

Vulnerability Overview Vulnerability Type: Integer Overflow in HTTP chunked encoding Location in Source: lib/httpchunks.c line 173 lib/curlx/strparse.c lines 185–186 Impact: Integer overflow leads to memory corruption Can cause buffer overflow Results in Denial of Service DoS for curl Potential...

Informatica: EXIF metadata not stripped from profile image

The EXIF metadata was not stripped from the profile images uploaded to the platform. This could have resulted in the disclosure of location or other personal information associated with the uploaded images...

AWS VDP: Non-Production API Endpoints for the cloudwatch Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The vulnerability allows adversaries to silently enumerate permissions of compromised AWS credentials for the CloudWatch service without generating logs in CloudTrail. Two non-production API endpoints were identified that can be accessed with standard IAM credentials but do not log the activity...

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...

U.S. Dept Of Defense: Docker Registry without authentication leads to docker images download

An exposed Docker Registry HTTP API allowed attackers to download Docker images and potentially access confidential source code without authentication. The vulnerability was caused by a lack of access control on the registry and could have been mitigated by implementing proper access controls or...

Node.js: fs.openAsBlob() bypasses permission system

The fs.openAsBlob method in Node.js, when used with the --experimental-permission flag, allowed bypassing the permission system and reading files without the required permissions...

Brave Software: Open redirect due to scanning QR code via brave browser

An open redirect vulnerability was discovered in Brave's QR code scanner, which allowed attackers to direct users to malicious sites without their consent or knowledge. This vulnerability put the security of Brave users at risk and allowed them to be exposed to phishing and malware attacks. The...

Shopify: Reflected XSS In Marketing Reports Page On *.myshopify.com/admin

The returnpagepathname parameter on the marketing reports page of a Shopify store was vulnerable to reflected cross-site scripting XSS when using the javascript: protocol. The vulnerability was assessed as having high attack complexity, as specific conditions were required for the XSS to execute...

Ruby on Rails: ActionView sanitize helper bypass leading to XSS using SVG tag.

An HTML sanitization bypass vulnerability was discovered in the ActionView sanitize helper. This allowed an attacker to bypass sanitization and execute cross-site scripting XSS attacks by using the use tag of the SVG element. By embedding a base64 encoded SVG with malicious code, an attacker coul...

U.S. Dept Of Defense: Unauthenticated SQL Injection at █████████ [HtUS]

Summary Hi team, I found Unauthenticated SQL Injection at ██████. Because of non-filter and non-escape input at API /api/organizations/, attacker can inject malicious payload after single quote ' to exploit and extract database. Step to Reproduce: Execute Request GET...

GitHub Security Lab: [python]: Zip Slip Vulnerability

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

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...

Fastify: 1-click DOS in fastify-static via directly passing user's input to new URL() of NodeJS without try/catch

Summary: When fastify-static is mounted at root and registered the option redirect: true default of redirect option is false, the following line directly feed user's input which is req.raw.url to URL API without try/catch: https://github.com/fastify/fastify-static/blob/master/index.jsL439. A remo...

h1-ctf: HackerOne’s 100K CTF Writeup

Greetings team It has been a great challenge, thank you very much for the fun moments and also for the annoying ones : ██████████ P.S. I will put my writeup in my next comment. Impact ---...

Reddit: critical file found etc/passwd on www.reddit.com

1.go to this link https://www.reddit.com/etc%2fpasswd 2.youll find all the etc/passwd files this data should be protected. 3.these passwd can be used for many illegal purpose and can damage the comapny poc attched: HTTP/2 200 OK Content-Type: text/plain; charset=UTF-8 X-Ua-Compatible: IE=edge...

HackerOne: Changing the 2FA secret key and backup codes without knowing the 2FA OTP

Summary: After the setup of 2FA, disabling or editing it should require the 2FA OTP. But it can be bypassed. Steps To Reproduce: 1 Sign in to a new HackerOne account. 2 Setup 2FA; and 3 Try to disable it without knowing the OTP. You can't, you need to know the Authentication Code or Backup Code...

U.S. Dept Of Defense: Misconfigured AWS S3 bucket leaks senstive data such of admin, Prdouction,beta, localhost and many more directories....

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

HackerOne: Open Redirect on http://events.hackerone.com/redirect?url=https://naglinagli.github.io

@nagli found an open redirect vulnerability in a 3rd party vendor that was used by HackerOne. This system did not contain any data related to reports submitted and stored on hackerone.com. HackerOne worked with the vendor to remediate the vulnerability. The report is partially disclosed to...

Dropcontact: Sensitive Information Disclosure

we were displaying sensitive information. While testing the site i was able to disclose sensitive information such as username, passwords, api keys, etc due to DEBUG = True .This bug arose due to default configuration at the backend. Now the bug is fixed. Thanks to the team for the quick fix!...

U.S. Dept Of Defense: Read-only path traversal (CVE-2020-3452) at https://██████.mil

Summary: I discovered a vulnerability Read-only path traversal CVE-2020-3452 at https://██████████.mil Description: A vulnerability in the web services interface of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remot...

Mail.ru: CVE-2016-6415 on api-staging.plazius.ru [46.148.201.218]

Unpatched CVE-2016-6415 vulnerability could potentially lead to information disclosure on the host in plazius.ru infrastructure...

Node.js: HTTP Request Smuggling due to CR-to-Hyphen conversion

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to triage and respond quickly, so be sure to take your time filling out the report! Summary: add summary of the vulnerabili...

Stripo Inc: Integer Overflow (CVE_2017_7529)

Integer Overflow - The issue affects nginx 0.5.6 - 1.13.2...

GitLab: SSRF on project import via the remote_attachment_url on a Note

Summary The Note model has an attachment which is provided by a CarrierWave uploader: ruby mountuploader :attachment, AttachmentUploader One of the features this provides is the ability to download and attach a file via a url, see...

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 🥳...

WakaTime: Broken Authentication and session management OWASP A2

Hi, Security Team! i found vulnerability on https://wakatime.com/ Steps To Reproduce: 1. First log in into the account, website will create a session for current login. 2. Copy all Cookies and paste it on notepad. 3. Log out your account. 4. Open your chrome browser and right click on bookmark ba...

GitLab: Head pipeline leaked to unauthorized users via blocking merge request feature

Summary GitLab allows for public and internal projects to restrict the visibility of pipelines to project members only. Then, only project members should have access to the pipeline information. GitLab recently added the blocking merge request feature. This feature can be used to leak the head...

U.S. Dept Of Defense: Remote OS command Execution in the 3 more Oracle Weblogic on the ████████, ████, ███████ [CVE-2017-10352]

Description Hello. I was able to identify 3 more RCE vulnerabilities due to the outdated Oracle Weblogic instance on the █████████, ███, █████ After my previous discoveries I decided to dig deeper into the ███.mil scope/IP space and found other instances of vulnerable Oracle WebLogic. I decided t...

Flickr: Improper access control in place for "member only" groups via root.YUI_config.flickr.api.site_key

Researcher identified API endpoint that was not doing sufficient permission validation...

GitLab: Bypass Email Verification -- Able to Access Internal Gitlab Services that use Login with Gitlab and Perform Check on email domain

Summary Hi, I found the new SCIM provisioning function allows any group owner in gitlab to create any user with verified email address. i.e. I can create user with email address [email protected], and gitlab.com will think [email protected] is verified already. This will bring problem to the clie...

Urban Dictionary: Domain does not Match SSL Certificate

Hi Team, While examining the domains that are in scope for Urban Dictionary, I noticed that https://urbandictionary.net is not currently protected by your SSL certificate. Steps to Reproduce: 1. Open Chrome and copy/paste the following into the search bar: https://www.urbandictionary.net 2. After...

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...

OLX: Search Page Reflected XSS on sharjah.dubizzle.com through unencoded output of GET parameter in JavaScript

Hi, I found a reflected XSS vulnerability on the search page of sharjah.dubizzle.com. Because the GET parameter keywords is not being encoded before parsing it into the JavaScript, an attacker can break out of the code an execute JavaScript in the targets browser. Vulnerable Code When searching f...

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...

Upserve : reports.breadcrumb.com is vulnerable for Arbitrary file existence disclosur CVE-2014-7829

A directory traversal vulnerability in a third-party ruby gem allowed a remote actor to determine the existence but not the contents of files outside of the application root...

Node.js third-party modules: [augustine] Static Web Server Directory Traversal via Crafted GET Request

Hi, A crafted GET request can be leveraged to traverse the directory structure of a host using the augustine web server package, and request arbitrary files outside of the specified web root. Module specification Name: augustine Version: 0.2.3 latest release build Verified conditions Test server:...

WakaTime: Validation of Password reset tokens

Dear sir, At first, i am very happy to report an issue. Before three months, i reported to wakatime and again i am reporting another issue now. Note:-This report is similar to 244614 which was previously reported at the start of this bug bounty program. Vulnerability:- -If two password reset toke...

Zomato: [www.zomato.com] IDOR - Leaking all Personal Details of all Zomato Users through an endpoint

Hacker is able to get the PIPersonal Information of any Zomato user...

Automattic: xss filter bypass [polldaddy]

Hi, previously reported xss https://hackerone.com/reports/107405 which is fixed, but i am able to bypass that fix. Payload for bypass : Click Here Steps: - Login into Polldaddy account polldaddy.com - go to POLLS and create new poll - in answers. enter xss payload Click Here F217173 - Save it - g...

Pornhub: pornhub.com/user/welcome/basicinfo nickname field is vulnerable on xss

The researcher discovered a stored XSS in the user's basic info page...

Trello: XML entity expansion using svg file

Hope you guys are doing great. I want to report xml entity expansion bug while uploading svg file . When adding a card in boards it also allows to upload attachments which can include svg files. Users or admin can then download those attachment but the problem is when svg file is uploaded, websit...

Phabricator: Autoclose can close any task regardless of policies/spaces

Description If a user can push to a repository that has autoclose enabled, they can close //any// Maniphest task on the install, including tasks whose policies otherwise restrict the user from viewing or editing, and tasks inside Spaces that the user can't view. I don't think this rises to the...

Shopify: Unauthorized access to Zookeeper on http://locutus-zk3.ec2.shopify.com:2181

What is Zookeeper? ==================== Zookeeper is a coordination service for distributed applications. It allows common services such as naming, synchronisation, configuration management and group services to be managed by a simple interface and It uses a data model of File System on an...

Harvest: CSRF token fixation in Sign in with Google

Hi There is CSRF token fixation in Sign in with Google at https://id.getharvest.com/sessions/new The state parameter is same for any time login https://id.getharvest.com/oauth2/callback?state=%7B%22intent%22:%22sign-in%22%7D&code=code Steps to reproduce 1. Go to...

HackerOne: Improperly validated fields allows injection of arbitrary HTML via spoofed React objects

Note: I haven't yet investigated the implications of this fully, so this may be more severe than I'm currently aware of. Right now the only exploits I'm aware of allow a team member to attack other team members. I've found a couple fields that I'd expect to be limited to string values, but which...

Ruby on Rails: Active Record SQL Injection Vulnerability Affecting PostgreSQL

This vulnerability was reported directly to Rails. https://groups.google.com/forum/!msg/rubyonrails-security/wDxePLJGZdI/WP7EasCJTA4J...

Localize: Login page password-guessing attack

Login page password-guessing attack Vulnerability description A common threat web developers face is a password-guessing attack known as a brute force attack. A brute-force attack is an attempt to discover a password by systematically trying every possible combination of letters, numbers, and...

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...

curl: heap-use-after-free in curl_easy_cleanup() called from callback

Summary: Curlclose lib/url.c:214 calls curlmultiremovehandledata-multi, data and ignores the return value. When curleasycleanup is invoked from within a write/read/progress/header callback, multi-incallback is TRUE, so curlmultiremovehandle lib/multi.c:818-819 returns CURLMRECURSIVEAPICALL withou...