CVE-2020-8616

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

CVE-2020-8616

CVE-2020-8616 (ISC BIND): A denial-of-service exists due to failure to limit the number of fetches when processing referrals. A remote attacker can craft referrals to cause a recursing server to perform a very large number of fetches, degrading performance and enabling potential reflection attack...

CVE-2020-8616

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

CVE-2020-8616: NXNSAttack: Recursive DNS Inefficiencies and Vulnerabilities

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

Memcached-fueled 1.3 Tbps attacks

At 17:28 GMT, February 28th, Akamai experienced a 1.3 Tbps DDoS attack against one of our customers, a software development company, driven by memcached reflection. This attack was the largest attack seen to date by Akamai, more than twice the size of the September, 2016 attacks that announced th...

Memcached UDP Reflection Attacks

Akamai is aware of a new DDoS reflection attack vector: UDP-based memcached traffic. Memcached is a tool meant to cache data and reduce strain on heavier data stores, like disk or databases. The protocol allows the server to be queried for information about key value stores and is only intended t...

Unsecured DNSSEC Easily Weaponized, Researchers Warn

DNSSEC is not invincible. Researchers this week described how a DNSSEC-based flood attack could easily knock a website offline and allow for the insertion of malware or exfiltration of sensitive data. The intent of Domain Name System Security Extensions, or DNSSEC, is to bolster DNS through a...

Exploits Circulating for Remote Code Execution Flaws in NTP Protocol

Researchers at Google have uncovered several serious vulnerabilities in the Network Time Protocol and experts warn that there are exploits publicly available for some of the bugs. The vulnerabilities are present in all versions of NTP prior to 4.2.8 and include several buffer overflows that are...

SNMP DDoS Attack Spoofs Google DNS Server

Update: The SANS Internet Storm Center this afternoon reported SNMP scans spoofed from Google’s public recursive DNS server seeking to overwhelm vulnerable routers and other devices that support the protocol with DDoS traffic. “The traffic is spoofed, and claims to come from Google’s DNS server...