attack-tree.md

Attack Tree Analysis for mislav/hub

Objective: Compromise Application via hub Exploitation

Attack Tree Visualization

Compromise Application via hub [CRITICAL NODE]
├───[AND] Exploit hub Vulnerabilities [CRITICAL NODE]
│   ├───[OR] Direct hub Vulnerabilities
│   │   ├─── Code Injection in hub [HIGH RISK PATH] [CRITICAL NODE]
│   │   │   ├─── Command Injection via crafted input to hub commands [HIGH RISK PATH]
│   │   └─── Dependency Vulnerabilities in hub [HIGH RISK PATH] [CRITICAL NODE]
│   ├───[OR] Exploiting hub's Interaction with Git [CRITICAL NODE]
│   │   ├─── Git Command Injection via hub [HIGH RISK PATH] [CRITICAL NODE]
│   └───[OR] Exploiting hub's Interaction with GitHub API
│       ├─── API Key/Token Theft or Misuse via hub [HIGH RISK PATH] [CRITICAL NODE]
└───[AND] Application Vulnerable to hub Exploitation [CRITICAL NODE]
    ├───[OR] Application Executes hub with Elevated Privileges [HIGH RISK PATH] [CRITICAL NODE]
    ├───[OR] Application Processes hub Output Insecurely [HIGH RISK PATH] [CRITICAL NODE]

Attack Tree Path: 1. Compromise Application via hub [CRITICAL NODE]

• Description: This is the root goal of the attacker. Success at any of the child nodes contributes to achieving this goal.
• Why Critical: Represents the ultimate objective and encompasses all vulnerabilities related to hub usage.

Attack Tree Path: 2. Exploit hub Vulnerabilities [CRITICAL NODE]

• Description: Attacker aims to directly exploit vulnerabilities within the hub application itself.

• Why Critical: Direct vulnerabilities in hub can have a broad impact on any application using it.

  • 2.1. Code Injection in hub [HIGH RISK PATH] [CRITICAL NODE]

    • Attack Vector: Command Injection via crafted input to hub commands [HIGH RISK PATH]
      • Details: An attacker crafts malicious input to hub commands (like hub create, hub browse, etc.) that is not properly sanitized by hub. This unsanitized input is then used in shell commands executed by hub, leading to arbitrary command execution on the server or developer machine running hub.
      • Likelihood: Medium
      • Impact: Critical
      • Mitigation: Rigorous input validation and sanitization within hub's code, especially in command parsing and execution logic. Use safe command execution methods that avoid shell interpretation where possible.

  • 2.2. Dependency Vulnerabilities in hub [HIGH RISK PATH] [CRITICAL NODE]

    • Attack Vector: Exploiting known vulnerabilities in third-party libraries used by hub. [HIGH RISK PATH]
      • Details: hub, like most applications, relies on external libraries. If these libraries have known vulnerabilities, an attacker can exploit them to compromise hub. This could involve exploiting vulnerabilities in libraries for networking, parsing, or other functionalities.
      • Likelihood: Medium (depends on the dependency landscape and update frequency)
      • Impact: Medium to High (depends on the specific vulnerability)
      • Mitigation: Regularly scan hub's dependencies for known vulnerabilities using tools like govulncheck or similar. Maintain an up-to-date dependency list and promptly update to patched versions when vulnerabilities are discovered.

Attack Tree Path: 3. Exploiting hub's Interaction with Git [CRITICAL NODE]

• Description: Attacker targets vulnerabilities arising from hub's interaction with Git, a core functionality of hub.

• Why Critical: Git interaction is central to hub's purpose, making vulnerabilities in this area highly impactful.

  • 3.1. Git Command Injection via hub [HIGH RISK PATH] [CRITICAL NODE]
    • Attack Vector: Injecting malicious Git commands through hub. [HIGH RISK PATH]
      • Details: If hub constructs Git commands based on user input or external data without proper sanitization, an attacker can inject malicious Git commands. When hub executes these constructed commands, the injected malicious Git commands are also executed, potentially leading to arbitrary code execution or data manipulation within the Git repository context.
      • Likelihood: Medium
      • Impact: Critical
      • Mitigation: Strictly avoid constructing Git commands from user-controlled input within hub. If dynamic command construction is absolutely necessary, use parameterized commands or safe command execution libraries that prevent shell injection. Sanitize any input before passing it to Git commands.

Attack Tree Path: 4. Exploiting hub's Interaction with GitHub API

• Description: Attacker targets vulnerabilities related to how hub interacts with the GitHub API.

  • 4.1. API Key/Token Theft or Misuse via hub [HIGH RISK PATH] [CRITICAL NODE]
    • Attack Vector: Stealing or misusing GitHub API keys or tokens handled by hub. [HIGH RISK PATH]
      • Details: If hub stores or handles GitHub API tokens insecurely (e.g., in plaintext configuration files, logs, memory dumps, or insecure storage), an attacker can steal these tokens. Once stolen, the attacker can use these tokens to access GitHub resources on behalf of the application or developers, potentially leading to data breaches, unauthorized actions, or account compromise.
      • Likelihood: Medium (if insecure storage practices are common)
      • Impact: Medium (Data Breach, Unauthorized Actions)
      • Mitigation: Store API tokens securely using dedicated secrets management systems or encrypted storage mechanisms. Avoid logging API tokens in plaintext. Implement the principle of least privilege for API tokens, granting only necessary permissions.

Attack Tree Path: 5. Application Vulnerable to hub Exploitation [CRITICAL NODE]

• Description: Vulnerabilities arise not just from hub itself, but from how the application uses hub.

• Why Critical: Even a secure hub can be misused by a vulnerable application, creating attack vectors.

  • 5.1. Application Executes hub with Elevated Privileges [HIGH RISK PATH] [CRITICAL NODE]

    • Attack Vector: Running hub processes with root or administrator privileges. [HIGH RISK PATH]
      • Details: If the application executes hub with elevated privileges (like root or administrator), any vulnerability within hub (e.g., command injection, dependency vulnerability) can be escalated to a system-level compromise. An attacker exploiting a vulnerability in hub running with high privileges can gain full control over the system.
      • Likelihood: Medium (common misconfiguration)
      • Impact: Critical (System Compromise)
      • Mitigation: Apply the principle of least privilege. Run hub processes with the minimum necessary privileges required for their intended function. Avoid running hub as root or administrator unless absolutely unavoidable and with extreme caution.

  • 5.2. Application Processes hub Output Insecurely [HIGH RISK PATH] [CRITICAL NODE]

    • Attack Vector: Insecurely processing the output of hub commands within the application. [HIGH RISK PATH]
      • Details: If the application parses or processes the output of hub commands (e.g., parsing URLs, commit hashes, branch names, etc.) without proper validation and sanitization, an attacker can manipulate hub's output (potentially by exploiting command injection in hub or Git) to inject malicious data. This malicious data, when processed by the application, can lead to vulnerabilities in the application itself, such as command injection, Server-Side Request Forgery (SSRF), or other injection-based attacks.
      • Likelihood: Medium (common programming error)
      • Impact: Medium to High (depends on application logic and how output is used)
      • Mitigation: Treat the output of hub commands as untrusted data. Implement robust validation and sanitization of any output received from hub before processing it within the application. Use secure parsing methods and avoid directly executing code or making critical decisions based on hub's output without thorough validation.