Cross-Site Request Forgery (CSRF) occurs when an attacker tricks a user's browser into making an unintended request to a site where the user is authenticated, potentially performing actions like changing a password. Let's analyze the request:
* The request is a POST to /changepassword with a Cookie: JSESSIONID, indicating the user is authenticated via a session. The Content-Length: 95 and payload (new_password=lov3MyPiano23&confirm_password=lov3MyPiano23) suggest a state-changing operation (password change).
* CSRF vulnerability arises when the request lacks a unique, unpredictable token to validate its legitimacy, and the server accepts it based solely on the session cookie. The request includes no CSRF token (e.g., in the body or headers like X-CSRF-Token).
* The Sec-Fetch-Site: same-origin header indicates the request originates from the samedomain, but this is a browser feature and does not guarantee server-side protection against CSRF from a malicious site (e.
g., via a hidden iframe or form submission).
* Without a CSRF token, an attacker could craft a malicious HTML page with a form that submits this exact request when a victim visits their site while authenticated to example.com, exploiting the browser' s automatic inclusion of the JSESSIONID cookie. This is a textbook CSRF vulnerability.
* Option A ("True"): Correct, as the request lacks a CSRF token, making it vulnerable to CSRF attacks.
* Option B ("False"): Incorrect, as the absence of a CSRF token indicates vulnerability.
The correct answer is A, aligning with the CAP syllabus under "Cross-Site Request Forgery (CSRF)" and
"Session Management."References: SecOps Group CAP Documents - "CSRF Prevention," "Session Security," and "OWASP CSRF Prevention Cheat Sheet" sections.