Let's Encrypt Revoking 3 Million TLS Certificates Issued Incorrectly Due to a Bug

The most popular free certificate signing authority Let's Encrypt is going to revoke more than 3 million TLS certificates within the next 24 hours that may have been issued wrongfully due to a bug in its Certificate Authority software. The bug, which Let's Encrypt confirmed on February 29 and was...

Let's Encrypt to Revoke Millions of TLS Certs

UPDATE Popular free certificate authority Let’s Encrypt said it will revoke 3 million Transport Layer Security TLS certificates Wednesday, because of a Certificate Authority Authorization CAA bug. The move could mean that millions of websites and machine identities that rely on those certificates...

Humble Bundle's 2020 Cybersecurity Books

For years, Humble Bundle has been selling great books at a "pay what you can afford" model. This month, they're featuring as many as nineteen cybersecurity books for as little as $1, including four of mine. These are digital copies, all DRM-free. Part of the money goes to support the EFF or Let's...

Let's Encrypt Issued A Billion Free SSL Certificates in the Last 4 Years

Let's Encrypt, a free, automated, and open certificate signing authority CA from the nonprofit Internet Security Research Group ISRG, has said it's issued a billion certificates since its launch in 2015. The CA issued its first certificate in September 2015, before eventually reaching 100 million...

Android Ups the Mobile Security Ante with Default TLS Encryption

A full 80 percent of Android apps are encrypting their traffic by default, according to a Transport Layer Security TLS adoption update from Google. That percentage is even greater for apps targeting Android 9 and higher, with 90 percent of those encrypting traffic by default, the tech giant said ...

Sliver - Implant Framework

Sliver is a general purpose cross-platform implant framework that supports C2 over Mutual-TLS, HTTPS, and DNS. Implants are dynamically compiled with unique X.509 certificates signed by a per-instance certificate authority generated when you first run the binary. The server, client, and implant a...

pfSense 2.4.4-p3 (ACME Package 0.59_14) - Persistent Cross-Site Scripting

pfSense 2.4.4-p3 ACME Package 0.5914 - Persistent Cross-Site Scripting Exploit Title: pfSense 2.4.4-p3 ACMEPackage 0.5.71 - Stored Cross-Site Scripting Date: 05.28.2019 Exploit Author: Chi Tran Vendor Homepage: https://www.pfsense.org Version: 2.4.4-p3/0.5.71 Software Link: N/A Google Dork: N/A...

pfSense 2.4.4-p3 (ACME Package 0.59_14) - Persistent Cross-Site Scripting

Exploit Title: pfSense 2.4.4-p3 ACMEPackage 0.5.71 - Stored Cross-Site Scripting Date: 05.28.2019 Exploit Author: Chi Tran Vendor Homepage: https://www.pfsense.org Version: 2.4.4-p3/0.5.71 Software Link: N/A Google Dork: N/A CVE:2019-12347 Introduction pfSense® software is a free, open source...

pfSense 2.4.4-p3 Cross Site Scripting

Exploit Title: pfSense 2.4.4-p3 ACMEPackage 0.5.71 - Stored Cross-Site Scripting Date: 05.28.2019 Exploit Author: Chi Tran Vendor Homepage: https://www.pfsense.org Version: 2.4.4-p3/0.5.71 Software Link: N/A Google Dork: N/A CVE:2019-12347 Introduction pfSense® software is a free, open source...

U.S. Gov Issues Urgent Warning of DNS Hijacking Attacks

The Department of Homeland Security is ordering all federal agencies to urgently audit Domain Name System DNS security for their domains in the next 10 business days. The department’s rare “emergency directive,” issued Tuesday, warned that multiple government domains have been targeted by DNS...

mkcert: valid HTTPS certificates for localhost

or for any other names The web is moving to HTTPS, preventing network attackers from observing or injecting page contents. But HTTPS needs TLS certificates, and while deployment is increasingly a solved issue thanks to the ACME protocol and Let's Encrypt, development still mostly ends up happenin...

Google Starts Labeling All HTTP Sites as ‘Not Secure’

Websites that insist on sticking with HTTP will have a public relations issue on their hands, beginning today: All of them, without exception, will be labeled as insecure by Google Chrome from now on. Anyone using the Chrome web browser will be served up a warning message anytime they surf to an...

HTTPS: why the green padlock is not enough

When goods get sold in large quantities, the price goes down. This might not be the first law of economics, but it’s applicable. An extrapolation of this is that if there are practically no production costs and no raw materials involved, prices of such goods will drop to zero. Usually, they will ...

Internet Bug Bounty: ACME TLS-SNI-01/02 challenge vulnerable when combined with shared hosting providers

The ACME TLS-SNI-01 and TLS-SNI-02 specification assumed wrong in terms of how current major cloud providers routed and validated domains. This was reported earlier this week to Let's Encrypt, and they decided to disable the method. Today Let's Encrypt decided to sunset both TLS-SNI-01 and...

Phishers Are Upping Their Game. So Should You.

Not long ago, phishing attacks were fairly easy for the average Internet user to spot: Full of grammatical and spelling errors, and linking to phony bank or email logins at unencrypted http:// vs. https:// Web pages. Increasingly, however, phishers are upping their game, polishing their copy and...

Good News from Singapore

The IETF had its 100th meeting the week of November 13. It was held in Singapore. I want to report on two pieces of good news. The first is that it seems like TLS 1.3 is ready to advance through the IETF process. As I wrote last month, the problem was that outdated or buggy network devices betwee...

Google Reminding Admins HTTP Pages Will Be Marked 'Not Secure' in October

Google began sending out notices to site owners this month, reminding those who haven’t yet migrated from HTTP to HTTPS that in October their sites will be marked “NOT SECURE.” The warnings are directed to owners of HTTP pages that contain forms, specifically sites that include text input fields...

Let's Encrypt to Offer Wildcard Certificates in 2018

Certificate authority Let’s Encrypt said this week it will begin offering wildcard certificates in 2018. Wildcard certificates are public key certificates that can be used with multiple subdomains of a domain. The certificates are traditionally viewed as less expensive and more convenient by...

Anti-DDoS Solution Based on iptables: nShield

Anti-DDoS Solution Based on iptables An Easy and Simple Anti-DDoS solution for VPS, Dedicated Servers and IoT devices based on iptables Requirements Linux System with python, iptables Nginx Will be installed automatically by install.sh Quickstart cd /home/ && git clone...

Weblate: Option method enabled

Description HTTP OPTIONS method is enabled. Affected URL : https://demo.weblate.org/ https://weblate.org/en/ https://hosted.weblate.org PoC curl -X OPTIONS https://hosted.weblate.org -vv Output aku@galau:$ curl -X OPTIONS https://hosted.weblate.org -vv Rebuilt URL to: https://hosted.weblate.org/...