D. Kevin McGrath is a Security Researcher on McAfee’s Advanced Threat Research team, focused on finding new vulnerabilities in both software and hardware. Kevin has a focus on embedded devices, RTOS security, and security education, with emphasis on computer architecture and operating systems.

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McAfee Labs

Seven Windows Wonders – Critical Vulnerabilities in DNS Dynamic Updates

Overview For the March 2021 Patch Tuesday, Microsoft released a set of seven DNS vulnerabilities. Five of the vulnerabilities are remote code execution (RCE) with critical CVSS (Common Vulnerability Scoring Standard) scores of 9.8, while the remaining two are denial of service (DoS). Microsoft shared detection guidance and proofs of ...

McAfee Labs

Researchers Follow the Breadcrumbs: The Latest Vulnerabilities in Windows’ Network Stack

The concept of a trail of breadcrumbs in the offensive security community is nothing new; for many years, researchers on both sides of the ethical spectrum have followed the compass based on industry-wide security findings, often leading to groundbreaking discoveries in both legacy and modern codebases alike. This happened in ...

McAfee Labs

Ripple20 Critical Vulnerabilities – Detection Logic and Signatures

This document has been prepared by McAfee Advanced Threat Research in collaboration with JSOF who discovered and responsibly disclosed the vulnerabilities. It is intended to serve as a joint research effort to produce valuable insights for network administrators and security personnel, looking to further understand these vulnerabilities to defend against ...

McAfee Labs

Ripple20 Vulnerability Mitigation Best Practices

On June 16th, the Department of Homeland Security and CISA ICS-CERT issued a critical security advisory warning covering multiple newly discovered vulnerabilities affecting Internet-connected devices manufactured by multiple vendors. This set of 19 vulnerabilities in a low-level TCP/IP software library developed by Treck has been dubbed “Ripple20” by researchers from JSOF. A networking ...

McAfee Labs

SMBGhost – Analysis of CVE-2020-0796

The Vulnerability The latest vulnerability in SMBv3 is a “wormable” vulnerability given its potential ability to replicate or spread over network shares using the latest version of the protocol (SMB 3.1.1). As of this writing, Microsoft have just released a patch for CVE-2020-0796 on the morning of March 12th. The ...

McAfee Labs

We Be Jammin’ – Bypassing Chamberlain myQ Garage Doors

The idea of controlling your garage door remotely and verifying that everything is secure at home, or having packages delivered directly into your garage is enticing for many people. The convenience that many of these IOT devices provide often persuades consumers away from thinking about the possible security concerns. McAfee ...

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