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File Upload Vulnerabilities

This project is part of the Secure APIs from Web Application Attacks bundle.
prerequisites
intermediate Java • basics of Spark • basic debugging
skills learned
identifying implementation vulnerabilities • remediating Java code vulnerabilities • testing functionality with Postman
Sashank Dara
1 week · 6-8 hours per week · BEGINNER
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liveProject This project is part of the Secure APIs from Web Application Attacks bundle. liveProjects give you the opportunity to learn new skills by completing real-world challenges in your local development environment. Solve practical problems, write working code, and analyze real data—with liveProject, you learn by doing. These self-paced projects also come with full liveBook access to select books for 90 days plus permanent access to other select Manning products. $19.99 $29.99 you save: $10 (33%)
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In this liveProject, you’ll tackle the kind of file upload vulnerabilities that allow attackers to upload huge amounts of junk data, overwrite existing files, or even deploy a virus. It is vitally important to test and validate the file upload capabilities in your API implementations. You’ll investigate the bugs that might be causing these issues, and then apply a code-level fix.

This liveProject was implemented by Natan Streppel.
This project is designed for learning purposes and is not a complete, production-ready application or solution.

book resources

When you start your liveProject, you get full access to the following books for 90 days.

project author

Sashank Dara
Sashank Dara, PhD, is a seasoned cybersecurity technologist and expert. He has over 17 years of extensive experience in cybersecurity R&D. He got his PhD in cybersecurity from IIIT-Bangalore in the area of applied cryptography and threat intelligence. He is co-inventor of five U.S. patents (and 3 IETF drafts) in the areas of cloud, SDN, and NFV security. He is a trusted information security consultant and adviser for top companies in EdTech, IT/ITes, academia, and real estate. Dara has published more than a dozen research papers at IEEE, LNCS conferences in the areas of cloud security, privacy, cryptography, and threat intelligence. He is a prolific speaker at security conferences and invited talks. He was a consultant advisor with Manipal Global Education Services for its cybersecurity programs. He was security technology and strategy advisor for security startups including Appknox, Haltdos, and SecurityJourney.com. Dara is currently the CTO and co-founder of Seconize, an award-winning cybersecurity startup pioneering a cyber risk and compliance management SaaS product suite.

prerequisites

The liveProject is for Java programmers familiar with basic REST API development. To begin this project you will need to be familiar with:

TOOLS
  • Intermediate level Java (classes, objects)
  • Basics of Spark (GET and POST handlers)
  • Basics of SQL and JDBC (how to read SQL and perform queries)
  • Basics of Linux and performing commands from the command line
  • Java IDEs such as Eclipse or IntelliJ IDEA
  • Testing APIs, using Postman
  • Gradle
  • Docker
  • GIT
TECHNIQUES
  • Basic Debugging
  • Code Reviews
  • Code Refactoring
  • Unit Testing

you will learn

In this series of liveProjects, you’ll learn about common code-level vulnerabilities, along with fixes and verification methods.

  • Setting up the environment to run a reference API implementation using Java Spring
  • Testing the functionality of a reference API implementation using Postman
  • Identifying implementation vulnerabilities
  • Fixing Java code to remediate vulnerabilities
  • Retesting code for functionality using Postman

features

Self-paced
You choose the schedule and decide how much time to invest as you build your project.
Project roadmap
Each project is divided into several achievable steps.
Get Help
While within the liveProject platform, get help from other participants and our expert mentors.
Compare with others
For each step, compare your deliverable to the solutions by the author and other participants.
book resources
Get full access to select books for 90 days. Permanent access to excerpts from Manning products are also included, as well as references to other resources.
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