Microsoft, Late to the Game on Dangerous DNSSEC Zero-Day Flaw

June 13, 2024 at 10:42AM Microsoft released a patch for a serious denial-of-service (DoS) vulnerability in the Domain Name System Security Extensions (DNSSEC) protocol. The vulnerability (CVE-2023-50868) affects multiple vendors and projects, including Unbound, BIND, dnsmasq, and PowerDNS. Despite patches being released earlier by other vendors, Microsoft issued a fix only recently, making it a … Read more

Row breaks out over true severity of two DNSSEC flaws

March 26, 2024 at 04:29AM Two DNSSEC vulnerabilities, KeyTrap (CVE-2023-50387) and NSEC3-encloser (CVE-2023-50868), were disclosed with similar descriptions and a severity score of 7.5 out of 10. However, a study by the ATHENE team finds NSEC3-encloser is less severe than KeyTrap, contrary to MITRE’s assessment. This has led to concerns about the accuracy and quality … Read more