The Coalfire Blog

Welcome to the Coalfire Blog, a resource covering the most important issues in IT security and compliance. You'll also find information on Coalfire's insights into the unique cybersecurity issues that impact the industries we serve, including Cloud Service Providers, RetailFinancial Services, Healthcare, Higher Education, Payments, Government, Restaurants, and Utilities.

The Coalfire blog is written by the company's leadership team and our highly-credentialed security assessment experts. We look forward to your comments, so please join the conversation.


  • The Basics of Exploit Development 1: Win32 Buffer Overflows

    January 21, 2020, Andy Bowden, Consultant, Coalfire Labs

    In this article we will cover the creation of an exploit for a 32-bit Windows application vulnerable to a buffer overflow using X64dbg and the associated ERC plugin. As this is the first article in this series, we will be looking at an exploit where we have a complete EIP overwrite and ESP points directly into our buffer. A basic knowledge of assembly and the Windows operating system will be useful, however, it is not a requirement.

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  • Windows Update Warning

    January 15, 2020, Mike Weber, Vice President, Coalfire Labs

    Coalfire is issuing this notice to alert our clients about a very important set of updates that were issued by Microsoft, as well as a pre-release announcement released by Oracle. While these are commonly handled through modern enterprise patch management systems, we want to underscore the importance of the issues that were covered in this month’s update.

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  • Deserialized Double Dirty

    December 09, 2019, John Skipper, Senior Consultant, Coalfire Labs

    Recently I was able to fully root a NetApp OnCommand Performance Manager appliance using a Java Deserialization vulnerability and Dirty COW.

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  • New News About the HITRUST Scoring Rubric and PRISMA Model

    October 18, 2019, Zach Shales, Principal, Healthcare Certification, Coalfire

    This is a high-level overview of the most significant changes about the updated HITRUST scoring rubric and PRISMA model that will affect all organizations using the HITRUST framework. It contains tips and guidance for how to prepare for upcoming HITRUST assessments. If you need a deeper dive into the changes, read the Coalfire Scoring and Rubrics White paper or contact us.

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  • FUD is Dead

    October 08, 2019, Doug Hudson, Senior Director, Cyber Risk Advisory, Coalfire

    A friend of mine who runs a cybersecurity firm told me recently, “Bro, FUD is dead. People are tired of all the fearmongering.” I completely agreed. For the uninitiated, FUD stands for Fear, Uncertainty, and Doubt.

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