A team of German cybersecurity researchers has discovered a new cache poisoning attack against web caching systems that could be used by an attacker to force a targeted website into delivering error pages to most of its visitors instead of legitimate content or resources. The issue affects reverse proxy cache systems like Varnish and some […]
denial of service
8 New HTTP/2 Implementation Flaws Expose Websites to DoS Attacks
Various implementations of HTTP/2, the latest version of the HTTP network protocol, have been found vulnerable to multiple security vulnerabilities affecting the most popular web server software, including Apache, Microsoft’s IIS, and NGINX. Launched in May 2015, HTTP/2 has been designed for better security and improved online experience by speeding up page loads. Today, over hundreds of […]