Our friends from SpiderLabs, issued a warning today on their blog about increased activity on their honeypots looking to exploit the old JCE (Joomla Content Editor) vulnerability. JCE is a very popular component that can be found enabled on almost any Joomla site. It has had a few serious vulnerabilities in the past (around 2011 […]
Archive | Security
RSS feed for this sectionUnmasking “Free” Premium WordPress Plugins
WordPress has a large repository of free plugins (currently 30,000+) that can add almost any functionality to your blog. However, there is still a market for premium plugins. Premium plugins are especially popular when they help blogs make money: eCommerce, SEO, affiliate and customer management, and so on. Such plugins may be really great and […]
Windigo Linux Analysis – Ebury and Cdorked
Our friends over at ESET released a very detailed document about the Windigo Operation. The Windigo Operation has been responsible for the compromise of thousands of Linux servers over the years. When you hear terms like Ebury, CDorked, Calfbot and others, they are all related to each other. Over the last few years, our team […]
How to ensure your server’s software stays secure?
At CloudFlare, security is on the top of our minds. We are always looking for ways to better secure the data we are entrusted with and improve the security of our customers’ websites. With this in mind, Nick Sullivan, one of our system engineers, will hold a security-themed webcast this Thursday. Some of you may […]
Security Exploit Patched on vBulletin – PHP Object Injection
The vBulletin team just issued a warning, and released patches for a security exploit that affected all versions of vBulletin including 3.5, 3.6, 3.7, 3.8, 4.X, 5.X. They recommend that anyone using vBulletin apply these patches as soon as possible. Here is part of their announcement: A security issue has been found that affects all […]
What do you do when the world’s attention is on you?
Today’s guest blogger is Rodney Gibbs. Rodney is the CIO of The Texas Tribune, a nonprofit media organization that covers public policy, politics, and government. He and his team recently supported major livestreamed events at South by Southwest (SXSW), a conference that attracts more than 70,000 music, arts and digital media aficionados. A few days […]
Understanding Denial of Service and Brute Force Attacks – WordPress, Joomla, Drupal, vBulletin
Many are likely getting emails with the following subject header Large Distributed Brute Force WordPress Attack Underway – 40,000 Attacks Per Minute. Just this week we put out a post titled More Than 162,000 WordPress Sites Used for Distributed Denial of Service Attack. What’s the Big Deal? Remember life before social media? How quiet and […]
WordPress Pingback Attacks and our WAF
At CloudFlare a lot of our customers use WordPress, that’s why we have our own plugin, we hang out at WordCamp and we wrote a WordPress specific ruleset for our Web Application Firewall. WordPress’ ubiquity on the web can make it an ideal target for Layer 7 attacks, and its powerful features as a blogging […]
ECDSA: The digital signature algorithm of a better internet
This blog post is dedicated to the memory of Dr. Scott Vanstone, popularizer of elliptic curve cryptography and inventor of the ECDSA algorithm. He passed away on March 2, 2014. At CloudFlare we are constantly working on ways to make the Internet better. An important part of this is enabling our customers to serve their […]
More Than 162,000 WordPress Sites Used for Distributed Denial of Service Attack
Distributed Denial of Service (DDOS) attacks are becoming a common trend on our blog lately, and that’s OK because it’s a very serious issue for every website owner. Today I want to talk about a large DDOS attack that leveraged thousands of unsuspecting WordPress websites as indirect amplification vectors. Any WordPress site with XML-RPC enabled […]
