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Defending Against external XML Entity (XXE) Vulnerabilities (Python)

This lab simulates a Weak File Upload Validation vulnerability found in the Let See Cyber Range. The challenge includes a Web App developed in Python that fails to implement the security principle of ‚Validate all Untrusted Input Before Using‚.

Using Visual Studio Code, participants will analyze code to identify and mitigate instances of ‚Failure to validate input in file upload‚.

Course Overview

Overall Proficiency Level
2 - Intermediate
Course Catalog Number
LAB 243
Course Prerequisites

None

Training Purpose
Skill Development
Specific Audience
All
Delivery Method
Online, Self-Paced
  • Online, Self-Paced

Learning Objectives


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

  • Apply strategic principles to keep Python applications safe
  • Discover XXE attacks
  • Fix XXE vulnerabilities in Python

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):

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.

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