Testing for NULL Pointer Dereference from CMD+CTRL Security

Testing for NULL Pointer Dereference

Online, Self-Paced

NULL pointer dereference issues can occur through a number of flaws, including race conditions and simple programming omissions. This course introduces ways to identify and mitigate this security weakness, referenced as CWE-476 by the 2020 CWE Top 25.

Learning Objectives

On successful completion of this course, learners should have the knowledge and skills to:

Use a vetted library or framework (such as SafeStr) that does not allow this weakness to occur
Use a vetted library or framework that provides constructs to make this weakness easier to avoid
Double check that your buffer is as large as you specify
Check buffer boundaries when accessing the buffer in a loop to ensure that you are not in danger of writing past the allocated space

Framework Connections

Design and Development

The materials within this course focus on the NICE Framework Task, Knowledge, and Skill statements identified within the indicated NICE Framework component(s):

Competency Areas

Work Roles

Feedback

If you would like to provide feedback on this course, please e-mail the NICCS team at NICCS@mail.cisa.dhs.gov. Please keep in mind that NICCS does not own this course or accept payment for course entry. If you have questions related to the details of this course, such as cost, prerequisites, how to register, etc., please contact the course training provider directly. You can find course training provider contact information by following the link that says “Visit course page for more information...” on this page.