Free SSL Sparks Unprecedented Growth in Encrypted Traffic

If recent telemetry from Mozilla is indeed representative of the Internet, then it would appear that half of all traffic in transit is encrypted, a more than 10 percent jump from last December. The emergence of free Certificate Authorities such as Let’s Encrypt, and similar gratis HTTPS certifica...

BlockChain.info Domain Hijacked; Site Goes Down; 8 Million Bitcoin Wallets Inaccessible

UPDATE: The site is back and working. Blockchain team released a statement via Twitter, which has been added at the end of this article. If you are fascinated with the idea of digital currency, then you might have heard about BlockChain.Info. It’s Down! Yes, Blockchain.info, the world's most...

IoT Botnet Uses HTTP Traffic to DDoS Targets

The IoT botnet behind some of the largest publicly recorded DDoS attacks is flooding its targets with HTTP traffic, generating more than one million requests per second in some cases, in order to bring down web applications. The attacks were recorded prior to the release of the source code fuelin...

Legal Robot: Cloudflare issue: Error 521 Ray ID: 2e7ea7f706ea4056 • 2016-09-25 12:59:55 UTC Web server is down

Error 521 Ray ID: 2e7ea7f706ea4056 • 2016-09-25 12:59:55 UTC Web server is down Cloudflare issue : http://legalrobot-uat.com/ https://tools.pingdom.com/!/dJuXU5/http://legalrobot-uat.com/...

An overview of TLS 1.3

I presented TLS 1.3 to the CloudFlare London office. Why it's faster, how it works, why it's safer, what's clever about it. The talk is recorded and comes with colored diagrams. There's a transcript on the CloudFlare blog. Update: you might want to watch my 33c3 talk on the same topic instead. An...

SecNews: DOM based XSS in search functionality

Overview === Search query is inserted into the HTML of the page without proper encoding. Specifically, a single-quote is not html-encoded albeit escaped, even twice, which allows the attacker to break out of the HTML attribute and inject arbitrary tags. html curl -s...

WordPress CloudFlare plugin has multiple cross-site scripting vulnerabilities

WordPress is the WordPress Software Foundation's set of blogging platform developed using the PHP language. cloudFlare is one of the CDN Content Delivery Network acceleration service plug-in. WordPress CloudFlare plugin version 1.3.20 has multiple cross-site scripting vulnerabilities. An attacker...

Identify Web Application Firewall: WAFW00F

WAFW00F Fingerprints and Identify Web Application Firewall WAF products WAFW00F is a Python tool to help you fingerprint and identify Web Application Firewall WAF products. It is an active reconnaissance tool as it actually connects to the web server, but it starts out with a normal HTTP response...

WAFW00F - Identifies and Fingerprints Web Application Firewall (WAF) Products

WAFW00F allows one to identify and fingerprint Web Application Firewall WAF products protecting a website. How does it work? To do its magic, WAFW00F does the following: Sends a normal HTTP request and analyses the response; this identifies a number of WAF solutions If that is not successful, it...

Coinbase: Cookie not secure

The cloudflare cookie does not have the Secure flag set. When a cookie is set with the Secure flag, it instructs the browser that the cookie can only be accessed over secure SSL channels. This is an important security protection for session cookies...

Cloudflare: Reflected XSS on partners.cloudflare.com

partners.cloudflare.com is vulnerable to reflected XSS because its 404 page reflects the path inside a block without encoding it. This vulnerability could be used to hijack partner accounts. The following URL demonstrates this vulnerability - if you load it in Edge you'll see an alert screenshot...

HackerOne: Web Authentication Endpoint Credentials Brute-Force Vulnerability

Dear, Your web authentication endpoint, https://hackerone.com/sessions POST, currently protects against credentials brute-force attacks only by requests rate-limiting based on IP. It was found that if an attacker sends login requests faster than every 4 seconds from the same IP address, it would...

WordPress CloudFlare Plugin <= 1.3.20 - Cross Site Scripting

Because of this vulnerability, the attackers can inject arbitrary JavaScript or HTML code. Solution Update the plugin...

WordPress CloudFlare 1.3.20 Cross Site Scripting

Product: CloudFlare Exploit Author: Sachin Wagh Version: 1.3.20 Home page Link: https://wordpress.org/plugins/cloudflare/ ============================================================================ Details: The CloudFlare plugin for WordPress is prone to a multiple cross-site scripting...

CloudFlare <= 1.3.20 - Authenticated Cross-Site Scripting (XSS)

The Cloudflare WordPress plugin was affected by an Authenticated Cross-Site Scripting XSS security vulnerability...

HackerOne: Hogging up all the resources on hackerone.com

Please note. I believe that some of the issues described below can also be used on their own and/or combined in other configurations to achieve different results, e.g. "paying" a bounty of zero or team avoiding to resolve and unpleasant issue. I am however describing the very likely doomsday...

HackerOne: Putting link inside link in markdown

Hello. I was playing around in markdown editor and find 1 interesting feature. You can put a link inside link. ololol l l:http://dwq If you do it ololol will be parsed first, then result of parsing will be send outside. Maximum depth of such link inserting is 16. So the slowest thing we can do is...

Cloudflare: Clickjacking : https://partners.cloudflare.com/

Hey, The title of submission defines the issue very clearly which is clickjacking at https://partners.cloudflare.com/ this subdomain missing x frame headers. As this subdomain contain a partner login then it is dangerous to have this type of issue. You understand better what i mean ; Attached a...

HackerOne: CSRF possible when SOP Bypass/UXSS is available

Description If an attacker could extract content from https://hackerone.com, they could perform CSRF attacks due to the fact that: 1. Some pages prints the token in the HTML response edit user form at https://hackerone.com/settings/profile/edit 2. Tokens aren't bound per action 3. PATCH/DELETE ca...

Algolia: Stored XSS on https://www.algolia.com/realtime-search-demo/*

Description When you generate a UI demo, the values of the Attributes are not escaped when printed in the page of the demo. There is a protection by CloudFlare, but because the values of the Attributes are printed in Javascript code, I found a way to abuse this to execute Javascript code. Seems...