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Attack Tree Analysis for gofiber/fiber

Objective: Compromise the Fiber Application by Exploiting Fiber-Specific Weaknesses.

Attack Tree Visualization

Compromise Fiber Application [CRITICAL NODE] ├───[OR]─ Exploit Fiber Framework Vulnerabilities [CRITICAL NODE] │ ├───[OR]─ Known Fiber Vulnerabilities (CVEs) [HIGH-RISK PATH, CRITICAL NODE] │ │ └───[AND]─ Exploit Known Vulnerability (e.g., RCE, DoS, Bypass) [HIGH-RISK PATH, CRITICAL NODE] │ │ └───[OR]─ Remote Code Execution (RCE) [CRITICAL NODE] │ │ └───[OR]─ Denial of Service (DoS) [CRITICAL NODE] │ │ └───[OR]─ Authentication/Authorization Bypass [CRITICAL NODE] │ ├───[OR]─ Zero-Day Fiber Vulnerabilities [CRITICAL NODE] │ │ └───[AND]─ Develop Exploit for Zero-Day Vulnerability │ │ └───[OR]─ Remote Code Execution (RCE) [CRITICAL NODE] │ │ └───[OR]─ Denial of Service (DoS) [CRITICAL NODE] │ │ └───[OR]─ Authentication/Authorization Bypass [CRITICAL NODE] ├───[OR]─ Exploit Fiber Misconfigurations [HIGH-RISK PATH, CRITICAL NODE] │ ├───[OR]─ Developer Misconfigurations [HIGH-RISK PATH, CRITICAL NODE] │ │ └───[AND]─ Identify Misconfigurations (e.g., Improper CORS setup, Missing Security Headers, Insecure Middleware) [HIGH-RISK PATH] │ │ └───[AND]─ Exploit Developer Misconfiguration [HIGH-RISK PATH, CRITICAL NODE] │ │ └───[OR]─ Cross-Site Scripting (XSS) (via improper CORS or missing security headers) [HIGH-RISK PATH, CRITICAL NODE] │ │ └───[OR]─ Authentication/Authorization Bypass (via misconfigured middleware) [CRITICAL NODE] ├───[OR]─ Dependency Vulnerabilities Exploited via Fiber [HIGH-RISK PATH, CRITICAL NODE] │ └───[AND]─ Exploit Dependency Vulnerability through Fiber Application [HIGH-RISK PATH, CRITICAL NODE] │ └───[OR]─ Remote Code Execution (RCE) (via vulnerable dependency) [CRITICAL NODE] │ └───[OR]─ Denial of Service (DoS) (via vulnerable dependency) [CRITICAL NODE] └───[OR]─ Exploit Fiber-Specific Features in Unintended Ways └───[AND]─ Exploit Fiber Feature in Unintended Way └───[OR]─ Denial of Service (DoS) (via resource exhaustion, websocket flooding) [CRITICAL NODE]

Attack Tree Path: Exploit Fiber Framework Vulnerabilities [CRITICAL NODE]:

  • Attack Vector: Attackers target inherent weaknesses within the Fiber framework's code itself. This can include bugs in routing logic, middleware handling, request parsing, or other core functionalities.
  • Breakdown:
    • Known Fiber Vulnerabilities (CVEs) [HIGH-RISK PATH, CRITICAL NODE]:
      • Attack: Exploiting publicly disclosed vulnerabilities (CVEs) in the specific Fiber version used by the application.
      • Impact: Can lead to Remote Code Execution (RCE), Denial of Service (DoS), or Authentication/Authorization Bypass.
      • Example: A known vulnerability in Fiber's request parsing could be exploited to inject malicious commands, leading to RCE.
    • Zero-Day Fiber Vulnerabilities [CRITICAL NODE]:
      • Attack: Discovering and exploiting previously unknown vulnerabilities (zero-days) in Fiber.
      • Impact: Similar to known CVEs, can result in RCE, DoS, or Authentication/Authorization Bypass, but is often more impactful due to lack of existing patches and defenses.
      • Example: A zero-day vulnerability in Fiber's routing mechanism could allow attackers to bypass authentication and access administrative endpoints.

Attack Tree Path: Exploit Fiber Misconfigurations [HIGH-RISK PATH, CRITICAL NODE]:

  • Attack Vector: Attackers exploit insecure configurations of the Fiber application, often stemming from developer errors or insufficient security awareness.
  • Breakdown:
    • Developer Misconfigurations [HIGH-RISK PATH, CRITICAL NODE]:
      • Attack: Exploiting misconfigurations introduced by developers during application setup and deployment.
      • Identify Misconfigurations (e.g., Improper CORS setup, Missing Security Headers, Insecure Middleware) [HIGH-RISK PATH]:
        • Attack: Identifying common misconfigurations such as:
          • Improper CORS Setup: Allows unauthorized cross-origin requests, potentially leading to data theft or Cross-Site Scripting (XSS).
          • Missing Security Headers: Lack of headers like Content-Security-Policy, X-Frame-Options, X-XSS-Protection, and HSTS weakens defenses against XSS, Clickjacking, and other attacks.
          • Insecure Middleware: Using vulnerable or improperly configured middleware can introduce vulnerabilities or bypass security controls.
      • Exploit Developer Misconfiguration [HIGH-RISK PATH, CRITICAL NODE]:
        • Attack: Actively exploiting identified misconfigurations to compromise the application.
        • Cross-Site Scripting (XSS) (via improper CORS or missing security headers) [HIGH-RISK PATH, CRITICAL NODE]:
          • Attack: Injecting malicious scripts into the application that are executed in users' browsers due to improper CORS or missing security headers.
          • Impact: Account compromise, data theft, defacement, and malware distribution.
        • Authentication/Authorization Bypass (via misconfigured middleware) [CRITICAL NODE]:
          • Attack: Bypassing authentication or authorization mechanisms due to flaws in custom or third-party middleware configuration.
          • Impact: Unauthorized access to sensitive data and functionalities.

Attack Tree Path: Dependency Vulnerabilities Exploited via Fiber [HIGH-RISK PATH, CRITICAL NODE]:

  • Attack Vector: Attackers target vulnerabilities in libraries and packages that Fiber depends on (e.g., fasthttp). These vulnerabilities can be indirectly exploited through the Fiber application.
  • Breakdown:
    • Exploit Dependency Vulnerability through Fiber Application [HIGH-RISK PATH, CRITICAL NODE]:
      • Attack: Triggering vulnerable code paths within Fiber's dependencies by crafting specific requests or interactions with the Fiber application.
      • Remote Code Execution (RCE) (via vulnerable dependency) [CRITICAL NODE]:
        • Attack: Exploiting a dependency vulnerability to execute arbitrary code on the server.
        • Impact: Full system compromise.
      • Denial of Service (DoS) (via vulnerable dependency) [CRITICAL NODE]:
        • Attack: Exploiting a dependency vulnerability to cause the application to crash or become unresponsive.
        • Impact: Service disruption.

Attack Tree Path: Exploit Fiber-Specific Features in Unintended Ways (DoS via resource exhaustion, websocket flooding) [CRITICAL NODE]:

  • Attack Vector: Attackers abuse Fiber's features like streaming, websockets, or file serving in ways not intended by developers, leading to resource exhaustion and Denial of Service.
  • Breakdown:
    • Denial of Service (DoS) (via resource exhaustion, websocket flooding) [CRITICAL NODE]:
      • Attack: Overwhelming the server's resources by:
        • Resource Exhaustion: Abusing features like streaming or file serving to consume excessive bandwidth, memory, or CPU.
        • Websocket Flooding: Sending a large number of websocket connections or messages to exhaust server resources.
      • Impact: Service disruption, application unavailability.