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rust-analyzer-lsp — agentic threat model

6.3AIVSS 6.3 · Medium

This agent acts as a bridge between Claude and a local rust-analyzer LSP server, presenting moderate risk due to its ability to execute local code analysis tools, though it lacks autonomous execution or self-modification capabilities.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 6.3AARS uplift 0.74Factor sum 2.0/10Threat ×1.0Mitigation ×0.9
Autonomy of Action
0.20
Goal-Driven Planning
0.10
Self-Modification
0.00
Dynamic Tool Use
0.50
Persistent Memory
0.10
Contextual Awareness
0.60
Dynamic Identity
0.00
Multi-Agent Interactions
0.00
Non-Determinism
0.30
Opacity & Reflexivity
0.20

Scored with the canonical OWASP AIVSS formula (AIVSS calculator reference); agentic risk factors estimated from the agent’s described capabilities.

MAESTRO 7-layer threat model

Per-layer threats for this agent. Layers tagged “not certain from listing” are general, caveated commentary where the public description didn’t pin that layer.

L1 · Foundation Models⚠ not certain from listing

Not certain from the listing — assumes the underlying foundation model (Claude) is secured against prompt injection, though malicious Rust code comments could theoretically attempt to manipulate the model's analysis outputs.

L2 · Data Operations✓ mapped

The agent processes local Rust source code and dependencies. Threats include reading malicious or poisoned codebases that could exploit parser vulnerabilities in the underlying rust-analyzer tool.

L3 · Agent Frameworks✓ mapped

The framework orchestrates LSP tool calls (diagnostics, navigation). Risk of tool misuse is present if the LSP is coerced into analyzing massive, resource-exhausting directories or malformed projects.

L4 · Deployment & Infrastructure✓ mapped

The LSP server runs locally or within the user's environment. If the environment lacks strict sandboxing, a vulnerability in rust-analyzer or the plugin wrapper could lead to local file exposure or arbitrary code execution.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — there is no mention of built-in logging, telemetry, or guardrails to monitor the queries sent to or received from the rust-analyzer LSP server.

L6 · Security & Compliance (cross-cutting)⚠ not certain from listing

Not certain from the listing — access controls and authorization policies governing which local directories the LSP agent is permitted to access are not specified.

L7 · Agent Ecosystem✓ mapped

The agent operates as a single-purpose plugin for Claude and does not natively support multi-agent coordination or marketplace-driven agent-to-agent interactions.

MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).