Code Injection

Overview Verisons of morgan before 1.9.1 are vulnerable to code injection when user input is allowed into the filter or combined with a prototype pollution attack. Recommendation Update to version 1.9.1 or later. References - HackerOne Report - Node.js security-wg - GitHub Advisory...

HackerOne: Accidental Access to Programs Information via SAML Login

On November 8th, 2018, HackerOne released software to production that contained a bug which impacted our Security Assertion Markup Language SAML authentication system. As a result of the bug, the SAML JIT Just-In-Time provisioning mechanism granted users of one customer program read-only access t...

Command Injection

Overview Versions of samsung-remote before 1.3.5 are vulnerable to command injection. This vulnerability is exploitable if user input is passed into the ip option of the package constructor. Recommendation Update to version 1.3.5 or later. References - HackerOne Report - Node.js security-wg -...

Command Injection

Overview Versions of ps before 1.0.0 are vulnerable to command injection. Proof of concept: var ps = require'ps'; ps.lookup pid: "$touch success.txt" , functionerr, proc // this method is vulnerable to command injection if err throw err; if proc console.logproc; // Process name, something like...

NoSQL injection

Overview Versions of express-cart before 1.1.8 are vulnerable to NoSQL injection. The vulnerability is caused by the lack of user input sanitization in the login handlers. In both cases, the customer login and the admin login, parameters from the JSON body are sent directly into the MongoDB query...

HackerOne: SQL injection in GraphQL endpoint through embedded_submission_form_uuid parameter

The embeddedsubmissionformuuid parameter in the /graphql endpoint is vulnerable to a SQL injection. Execute the following command to reproduce the behavior: Locally: curl -X POST http://localhost:8080/graphql?embeddedsubmissionformuuid=1%27%3BSELECT%201%3BSELECT%20pgsleep\30%3B--%27...

Prototype Pollution

Overview Versions of merge before 1.2.1 are vulnerable to prototype pollution. The merge.recursive function can be tricked into adding or modifying properties of the Object prototype. Recommendation Update to version 1.2.1 or later. References - HackerOne Report - GitHub Advisory...

Command Injection

Overview Versions of libnmap before 0.4.16 are vulnerable to command injection. Proof of concept const nmap = require'libnmap'; const opts = range: 'scanme.nmap.org', "x.x.$touch success.txt" ; nmap.scanopts, functionerr, report if err throw new Errorerr; for let item in report...

Nextcloud Server < 14.0.0 Multiple Vulnerabilities (NC-SA-2018-011, NC-SA-2018-012, NC-SA-2018-014) - Windows

Nextcloud Server is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only if description...

Nextcloud Server < 14.0.0, < 13.0.3, < 12.0.8 Session fixation on public share page (NC-SA-2018-013) - Windows

Nextcloud Server is prone to a session fixation vulnerability. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only if description...

Node.js third-party modules: Prototype pollution attack in just-extend

I would like to report a prototype pollution vulnerability in just-extend It allows an attacker to inject properties on Object.prototype. Module module name: just-extend version: 2.1.0, and 3.0.0 npm page: https://www.npmjs.com/package/just-extend Module Description Part of a library of...

Pentagon Expands Bug-Bounty Program to Include Physical Systems

The Department of Defense is expanding its “Hack the Pentagon” bug-bounty program to include hardware assets, tapping the Synack, HackerOne and Bugcrowd platforms to attract more white hats to the effort. The news comes two weeks after the Government Accountability Office GAO released a report...

HackerOne: Proper verification is not done before sending invitations to researchers for certain private programs with rules e.g. "Participants must be US-based"

Hi, I would like to report something I just recently noticed upon receiving an automated invite from Hackerone for a private program. The program brief clearly states the following in program rules: █████ This is where I believe the issue is. I live in ███ and according to the program rules I...

Tumblr Privacy Bug Could Have Exposed Sensitive Account Data

Tumblr on Wednesday disclosed it had fixed a vulnerability that could have exposed sensitive account information including usernames/passwords and individual IP addresses. However, the company stressed there’s no evidence that any data was exposed. The bug existed in the “Recommended Blogs” featu...

Prototype Pollution

Overview All versions of merge-options are vulnerable to Prototype Pollution Recommendation Update to version 1.0.1 or greater. References - HackerOne Report - GitHub Commit - GitHub Advisory...

Prototype Pollution

Overview All versions of merge-objects are vulnerable to Prototype Pollution. Recommendation No fix is available for this vulnerability at this time. It is our recommendation to use an alternative package. References - HackerOne Report - GitHub Advisory...

Prototype Pollution

Overview All versions of merge-recursive are vulnerable to Prototype Pollution. When malicious user input is merged with another object it allows the attacker to modify the prototype of Object via proto causing the addition or modification of an existing property. Proof of concept: var merge =...

Chaturbate: Passive stored XSS at broadcast room

The hacker found that a specially crafted app names could insert a small amount of data into an A tag's href in the "Broadcaster is running these apps: " chat text. Because of the character limit this required multiple successive clicks on different app names, and in the example utilised the room...

HackerOne: Improper UUID validation results in bypass of #419896

This was found while evaluating the vulnerability and patch identified in 419896. I determined the deployed patch to be effective. However, I noticed tracer values could be sent which didn't conform to the UUID specification as characters outside of the a-f and 0-9 ranges could be used. For...

HackerOne: Unauthenticated user can upload an attachment to the last updated report draft

The newly launched beta embedded submissions form introduced the concept of anonymous submissions. When an anonymous user starts writing a report through an embedded form, a UUID will be generated to track their submission. Any object that is created will reference this UUID. We call this a trace...