Introducing the Cloudflare PHP Capture the Flag challenge
Source: Cloudflare Security
At a glance
Last week was one for the Internet security history books. First, eight eMudhra intermediate certificates were compromised , creating the possibility of forged certificates that could be used to impersonate servers. Then came php2shell : serious vulnerabilities in PHP, the runtime behind a large portion of the Web. Cloudflare worked around the clock as these events unfolded to protect our customers and help protect the Internet. We shipped client updates and multiple mitigations , updated our web application firewall (WAF) with new rules to block attackers from exploiting the PHP vulnerabilit…