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Testing for Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer allows attackers to execute arbitrary code, alter the intended control flow, read sensitive information, or cause a system to crash. This course introduces ways to identify and mitigate this security weakness, referenced as CWE-119 by the 2020 CWE Top 25.
Course Overview
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 or provides constructs that 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
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
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.