XML External Entity Attack

What is an XML External Entity (XXE) attack?
- A) A type of attack that exploits a vulnerability in a SQL parser
- B) An attack that exploits a vulnerability in an XML parser
- C) A denial of service attack on a web server
- D) An attack that uses encrypted XML documents
Which of the following is another name for XML External Entity attacks?
- A) XML Injection
- B) SQL Injection
- C) Cross-Site Scripting (XSS)
- D) Command Injection
What does an XXE attack typically exploit?
- A) Weak authentication mechanisms
- B) Vulnerabilities in XML parsers
- C) Flaws in web server configurations
- D) Issues in network protocols

What is the main cause of vulnerability in an XML parser that allows XXE attacks?
- A) Lack of encryption
- B) Improper validation of XML documents
- C) Insecure data storage
- D) Poor network security
In an XXE attack, what is typically sent to the vulnerable XML parser?
- A) An encrypted XML document
- B) A specially crafted XML document containing malicious code
- C) A plain text file
- D) A SQL query
What can malicious code in an XXE attack be used for?
- A) Optimizing XML queries
- B) Gaining access to sensitive data or network systems
- C) Encrypting XML documents
- D) Improving XML parser performance

Which type of XXE attack involves causing a denial of service (DoS) attack?
- A) XML Injection
- B) XML Bombing
- C) XXE Injection
- D) XML Encryption
What does XXE Injection specifically target?
- A) Data integrity
- B) Network system access or arbitrary code execution
- C) XML schema validation
- D) XML document formatting
Which of the following is NOT a type of XXE attack mentioned in the text?
- A) XML Injection
- B) XML Bombing
- C) XXE Injection
- D) XML Encryption

What should be done to avoid parsing malicious entities in XML documents?
- A) Encrypt the XML document
- B) Validate and filter all external resources
- C) Disable logging in XML parsers
- D) Use older versions of XML parsers
How can organizations prevent XXE attacks?
- A) By using the latest XML parsers with security features
- B) By ignoring XML document validation
- C) By using outdated security protocols
- D) By increasing parser processing speed
What is a recommended practice when dealing with untrusted XML documents?
- A) Set the entity resolver to an empty object
- B) Use unencrypted XML files
- C) Allow all external entities
- D) Avoid input validation
Why is it important to check for the presence of a DTD in XML documents?
- A) To ensure XML documents are encrypted
- B) Because DTDs can be used to enable XXE attacks
- C) To optimize XML parsing speed
- D) To validate XML document structure
What can a Content Security Policy (CSP) help prevent in the context of XXE attacks?
- A) Data loss
- B) Exploitation of XXE vulnerabilities
- C) Encryption issues
- D) Network slowdowns
What role does input validation play in preventing XXE attacks?
- A) It helps detect and prevent malicious entities from being parsed
- B) It improves XML parsing speed
- C) It encrypts XML documents
- D) It manages network traffic

Answers:

Explorer