Friday, June 08, 2012

A Single PC Can Take Down a Server!

Scary DoS (denial of service) detailed by Dan Goodin - New DoS tool lets a single PC bring down an Apache server

Recently discovered malware circulating online gives miscreants a small arsenal of denial-of-service attack tools, including a relatively new one that allows a single PC to take down an Apache webserver, a researcher said.

MP-DDoser, as documented in a blog post by Arbor Networks researcher Jeff Edwards, implements an exploit known as "Apache Killer," which first came to light last August. Researchers said then that it worked by sending Apache servers multiple GET requests containing overlapping byte ranges, consuming all memory on a target system. The Arbor post suggested the technique worked against other webserver applications.

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