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Attack Tree Analysis for square/workflow-kotlin

Objective: To gain unauthorized control over the application's state or execution flow by manipulating workflow-kotlin's mechanisms.

Attack Tree Visualization

                                     [Gain Unauthorized Control of Application State/Execution]
                                                    /                               \
                                                   /                                 \
                      [Manipulate Workflow Execution]**CRITICAL NODE**            [Manipulate Workflow State]**CRITICAL NODE**
              /               |                |               \                                  /       |       \
             /                |                |                \                                /        |        \
[Abuse Render]**CRITICAL**[Abuse Action]**CRITICAL**[Abuse SideEffect]**CRITICAL**  ...              ...   [Inject State]**CRITICAL** ...
    /   \           /     \        /     \                                                              /     \
   /     \         /       \      /       \                                                            /       \
[1]**HR**  ...   [3]**HR**  ...   [5]**HR**  ...                                                        [11]**HR**[12]**HR**

**HR = High-Risk Path**
**CRITICAL NODE = Critical Node (Parent Nodes)**
**CRITICAL = Critical Node (Leaf Nodes)**
... - represents omitted branches and nodes.

Attack Tree Path: Manipulate Workflow Execution (Critical Node)

  • Manipulate Workflow Execution (Critical Node):
    • Description: This represents the attacker's attempt to control the workflow's execution flow, influencing how the application behaves.
    • Likelihood: Medium to High (Aggregated from child nodes)
    • Impact: High to Very High (Aggregated from child nodes)
    • Effort: Low to Medium (Aggregated from child nodes)
    • Skill Level: Intermediate to Advanced (Aggregated from child nodes)
    • Detection Difficulty: Medium to Hard (Aggregated from child nodes)

Attack Tree Path: Abuse Render (Critical Node)

  • Abuse Render (Critical Node): * Description: Exploiting vulnerabilities related to the RenderingContext and how the workflow interacts with the outside world (UI, services). * Likelihood: Medium to High * Impact: Medium to High * Effort: Low to Medium * Skill Level: Intermediate * Detection Difficulty: Medium

Attack Tree Path: Inject Malicious Renderings (High-Risk)

  • [1] Inject Malicious Renderings (High-Risk): * Description: The attacker provides input that, when rendered, results in malicious output (e.g., XSS, UI manipulation). This exploits how the application uses the rendering, not a flaw in workflow-kotlin per se, but the library provides the mechanism. * Likelihood: Medium to High * Impact: Medium to High (Depends on the context of the rendering) * Effort: Low to Medium * Skill Level: Intermediate * Detection Difficulty: Medium

Attack Tree Path: Abuse Action (Critical Node)

  • Abuse Action (Critical Node): * Description: Exploiting vulnerabilities related to how actions are sent and handled by the workflow. * Likelihood: Medium * Impact: High * Effort: Low to Medium * Skill Level: Intermediate * Detection Difficulty: Medium

Attack Tree Path: Inject Malicious Actions (High-Risk)

  • [3] Inject Malicious Actions (High-Risk): * Description: The attacker sends unauthorized or crafted actions to the workflow, triggering unintended state transitions. * Likelihood: Medium * Impact: High * Effort: Low to Medium * Skill Level: Intermediate * Detection Difficulty: Medium

Attack Tree Path: Abuse SideEffect (Critical Node)

  • Abuse SideEffect (Critical Node): * Description: Exploiting vulnerabilities related to side effects, which are operations performed outside the workflow's state. * Likelihood: Low to Medium * Impact: High to Very High * Effort: Medium * Skill Level: Advanced * Detection Difficulty: Hard

Attack Tree Path: Execute Unauthorized Side Effects (High-Risk)

  • [5] Execute Unauthorized Side Effects (High-Risk): * Description: The attacker triggers side effects that interact with external systems in unauthorized ways. * Likelihood: Low to Medium * Impact: High to Very High * Effort: Medium * Skill Level: Advanced * Detection Difficulty: Hard

Attack Tree Path: Manipulate Workflow State (Critical Node)

  • Manipulate Workflow State (Critical Node):
    • Description: This represents the attacker's attempt to directly modify or inject malicious state into the workflow.
    • Likelihood: Medium (Aggregated from child nodes)
    • Impact: Very High (Aggregated from child nodes)
    • Effort: Low to Medium (Aggregated from child nodes)
    • Skill Level: Intermediate to Advanced (Aggregated from child nodes)
    • Detection Difficulty: Medium to Hard (Aggregated from child nodes)

Attack Tree Path: Inject State (Critical Node)

  • Inject State (Critical Node): * Description: Introducing unauthorized or malicious state into the workflow. * Likelihood: Medium * Impact: Very High * Effort: Low to Medium * Skill Level: Intermediate to Advanced * Detection Difficulty: Medium to Hard

Attack Tree Path: Deserialization Vulnerabilities (High-Risk)

  • [11] Deserialization Vulnerabilities (High-Risk): * Description: The attacker exploits vulnerabilities in the deserialization process to inject malicious objects, potentially leading to arbitrary code execution. * Likelihood: Medium * Impact: Very High * Effort: Low to Medium * Skill Level: Intermediate to Advanced * Detection Difficulty: Medium to Hard

Attack Tree Path: Configuration Injection (High-Risk)

  • [12] Configuration Injection (High-Risk): * Description: The attacker injects malicious values into the workflow's configuration, influencing its initial state or behavior. * Likelihood: Medium * Impact: High * Effort: Low to Medium * Skill Level: Intermediate * Detection Difficulty: Medium