312-96 Practice Exam Questions with Answers Certified Application Security Engineer (CASE) JAVA Certification

 In a DFD, different components represent different aspects of the system:

• Circles or ovals usually represent processes or functions where data is processed or transformed.
• Arrows represent data flows moving from one part of the system to another.
• Open rectangles represent external entities or actors that interact with the system.
• Parallel lines represent data stores or repositories where data is held.

Given these conventions, a change in privilege levels would most likely be associated with a process, as it involves a transformation or decision within the system. Therefore, the component that represents a process (typically a circle or oval) would be used to depict a change in privilege levels.

References: For accurate and verified answers, please refer to the official EC-Council Application Security Engineer (CASE) JAVA study guides and course materials12. These resources will provide the most reliable information regarding the specifics of DFD components as they pertain to the CASE JAVA certification.

The image depicts URLs with modified query parameters, which is indicative of a Parameter Tampering Attack. In this type of attack, an attacker manipulates the parameters exchanged between the client and the server to alter application data, such as user credentials and permissions. This can lead to unauthorized access or other malicious activities.

In the image:

• The first URL has a parameter ‘debit’ changed from one value to another.
• The second URL also shows a change in the ‘debit’ parameter.
• The third and fourth URLs depict changes in ‘status’ parameter values.

These modifications can lead to unauthorized actions being performed on behalf of an authenticated user without their consent.

References:For precise references, please refer directly to EC-Council Application Security Engineer (CASE) JAVA related courses and study guides, as my capabilities do not include real-time access to external databases or the internet for document retrieval. However, the information provided is based on my training data up to my last update in September 2021.

James should use the Try-With-Resources block to ensure that any unhandled exception raised by the code will automatically close the opened file stream. The Try-With-Resources block is a feature introduced in Java 7 that allows for more efficient management of resources, such as files, that need to be closed after operations on them are completed.

Here’s how it works:

• The resource declared within the try parentheses is initialized.
• The try block executes with the resource.
• If an exception occurs, it’s caught by an optional catch block.
• After the try (and optionally catch) block execution, the resource is automatically closed.

This approach eliminates the need for a finally block to explicitly close the resource, reducing the risk of resource leaks and making the code cleaner and more readable.

References: The Try-With-Resources block is a well-documented feature in Java and is recommended for managing resources in Java applications as per the EC-Council’s Application Security Engineer (CASE) JAVA certification guidelines1. It is also a part of best practices in exception handling in Java, as noted in various Java programming resources2.

The setHttpOnly(false) method call in the code indicates that the HttpOnly flag is not set for the cookie. This is a security concern because when the HttpOnly flag is not set, it allows client-side scripts, such as JavaScript, to access the cookie. Attackers can exploit this vulnerability by using cross-site scripting (XSS) attacks to steal the cookie and potentially hijack the user’s session.

To mitigate this vulnerability, the HttpOnly flag should be set to true, which instructs the browser to prevent client-side scripts from accessing the cookie. The correct code should be:

Java

loginCookie.setHttpOnly(true);

AI-generated code. Review and use carefully. More info on FAQ.

This change ensures that the cookie is protected from being accessed by client-side scripts.

References: For verified answers and comprehensive explanations, it is recommended to refer to the official EC-Council Application Security Engineer (CASE) JAVA study guides and course materials. These resources provide detailed information on secure coding practices, including the proper use of the HttpOnly flag in cookies to prevent client-side script attacks. Additionally, the EC-Council’s training programs offer in-depth knowledge and hands-on experience in secure coding techniques for Java applications.

STRIDE is a risk assessment model used to identify and rate threats during the threat modeling process. It stands for Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, and Elevation of Privilege. Each element of STRIDE represents a specific type of threat that could potentially affect an application, and it is used to systematically assess the security of an application by identifying possible vulnerabilities that could be exploited by these threats.

References: The EC-Council’s Certified Application Security Engineer (CASE) JAVA course emphasizes the importance of threat modeling in the software development lifecycle and specifically mentions the use of models like STRIDE to assess and mitigate risks12.

To remove the HttpSession object and its values from the client’s system, the developer should use the invalidate() method. This method is called on the HttpSession object itself and marks the session for deletion, removing all its attributes and invalidating the session on the server side. Once a session is invalidated, any new request from the client does not associate with the old session and will typically result in a new session being created if required.

Here’s a step-by-step explanation of how the invalidate() method works:

• The developer retrieves the HttpSession object from the HttpServletRequest object using the getSession() method.
• The developer calls the invalidate() method on the retrieved HttpSession object.
• The server invalidates the session, which means it is no longer recognized and any subsequent requests will not be associated with it.
• All objects bound to the session are removed and available for garbage collection.
• The client’s next request will not have a valid session, and the server will treat it as a new session if necessary.

References:The information provided here is aligned with the EC-Council’s Certified Application Security Engineer (CASE) JAVA guidelines and best practices for secure session management. For more detailed information, please refer to the EC-Council’s CASE JAVA official study guides and training materials12.

To mitigate the security risk of users being able to view the website structure and file names, the correct action would be to disable directory listings. This is often accomplished through configuration settings in web server software, where you can specify whether to allow or deny the listing of directory contents. The option <int-param> <param-name>listings <param-value>false</int-param> effectively disables directory listings, preventing users and potential attackers from viewing the website's file and directory structure, thus enhancing security. Ensuring that directory listings are disabled is a common security practice to avoid revealing sensitive information about the web application's structure.References:

• Web Server Security Best Practices documentation
• OWASP (Open Web Application Security Project) guidelines on securing web server configurations

 In the context of abuse case scenarios, the ‘Threatens Relationship’ is used to describe the interaction between an abuse case and the use case it threatens. This relationship helps to identify potential security threats and the ways in which they can exploit the functionalities of a system. By mapping out these relationships, developers and security engineers can better understand the attack vectors and design appropriate security measures to mitigate them.

References: The information provided is aligned with the EC-Council’s Certified Application Security Engineer (CASE) JAVA training and certification program, which emphasizes the importance of understanding application security threats and attacks within the Software Development Lifecycle (SDLC). For more detailed information, please refer to the EC-Council’s official CASE JAVA documentation and study guides12.

STRIDE is a threat classification model used during the threat modeling process. It stands for Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, and Elevation of Privilege. These categories represent the types of threats that can be posed to software systems. STRIDE helps in identifying potential security threats to a system and is commonly used to classify threats in threat modeling.

The STRIDE model is particularly useful because it covers a broad range of security threats and is designed to be easy to understand and apply. Each category of STRIDE addresses a specific area of security concern:

• Spoofing: Impersonating something or someone else.
• Tampering: Modifying data or code.
• Repudiation: Claiming not to have performed an action.
• Information Disclosure: Exposing information to someone not authorized to see it.
• Denial of Service (DoS): Interrupting access to resources.
• Elevation of Privilege: Gaining capabilities without proper authorization.

By using STRIDE, security professionals can systematically identify and address potential vulnerabilities within an application.

References:For detailed information and learning resources, please refer to the EC-Council’s Certified Application Security Engineer (CASE) JAVA courses and study guides, which provide extensive coverage on threat modeling and the STRIDE methodology12. These resources will offer a comprehensive understanding of the application of STRIDE in threat modeling. Additionally, the OWASP Foundation provides valuable insights into the threat modeling process, including the use of STRIDE13.