DNS

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Cisco patches High risk Email Security Appliance DNS Verification DoS vulnerability

Cisco has released a High risk security advisory for an Email Security Appliance DNS Verification Denial of Service (DoS) vulnerability, as well as several other vulnerabilities in Nexus switches and NX-OS software.

NAME:WRECK vulnerabilities can break DNS implementations in TCP/IP stacks

Security researchers have discovered nine vulnerabilities collectively dubbed NAME:WRECK than can break DNS implementations in TCP/IP stacks and lead to denial of service or remote code execution. The experts also provided guidelines to organization on how to fix the issues.

Microsoft March 2021 Security Updates, fixes for 14 Critical bugs

Microsoft has released the March 2021 Security updates that includes patches for 89 vulnerabilities, 14 of those rated Critical. The fixes follow just after the tech giant released emergency patched for Exchange flaws being exploited in the wild.

DNSpooq: Dnsmasq vulnerabilities open up network and Linux devices to attack

Security researchers have discovered seven Dnsmasq vulnerabilities that open up many network and Linux devices to DNS cache poisoning attacks or remote code execution.