New Cache Poisoning Attack Lets Attackers Target CDN Protected Sites

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 widely-used Content Distribution Networks (CDNs)

from The Hacker News https://ift.tt/2pJxitX