New DNS Vulnerability Lets Attackers Launch Large-Scale DDoS Attacks

Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service DDoS attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to...

CVE-2018-19791

The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the "bytes=0-,0-" substri...

1.7 Tbps DDoS Attack — ​Memcached UDP Reflections Set New Record

The bar has been raised. As more amplified attacks were expected following the record-breaking 1.35 Tbps Github DDoS attack, someone has just set a new record after only four days — 1.7 Tbps DDoS attack. Network security and monitoring company Arbor Networks claims that its ATLAS global traffic a...

BitTorrent Patches DDoS Vulnerability

BitTorrent today announced that a patch has been rolled out in the libuTP protocol used by many of its clients, fixing a vulnerability that allows attackers to carry out distributed reflective denial of service attacks. The issue was revealed in a paper and presentation at the recent USENIX...

PT-2013-2155 · Dnsmasq +1 · Dnsmasq +1

Name of the Vulnerable Software and Affected Versions: Dnsmasq versions prior to 2.66test2 Description: The issue allows remote attackers to cause a denial of service, specifically traffic amplification, via spoofed TCP-based DNS queries. This is possible when Dnsmasq is used with certain libvirt...

CVE-2000-0041

Macintosh systems generate large ICMP datagrams in response to malformed datagrams, allowing them to be used as amplifiers in a flood attack...