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Security audit

Addressfinder

Security checks for vulnerabilities and agentic risk

Overview

Address lookups match the stated purpose, but setup can execute changing remote code without a separate approval step.

Review setup before installing. Preinstall a reviewed CLI version, require approval before running downloaded installers, and check its automatic skill synchronization settings. Only submit addresses you may share with OOMOL and Addressfinder. The complete bundled skill was inspected; external installer and CLI behavior could not be fully verified.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (4)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
98% confidence
Finding

The supplied command performs remote software installation, with no visible Addressfinder integration or data-access behavior. Although installing a dependency can be a supporting implementation detail, this chunk provides no connection between the Oomol installer and the declared Addressfinder functionality. The downloaded script's additional behavior cannot be determined from the supplied code.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

The fallback pipes a mutable remote script directly into Bash without version pinning, independent integrity verification, or review; the PowerShell alternative uses the same download-and-execute pattern. Compromise of the script distribution path could execute attacker-controlled code with the agent process's permissions, exposing accessible files and credentials or modifying the host. Restricting this fallback to a missing CLI reduces exposure frequency, but does not make execution safe or provide explicit installation approval.

Content

Scanner excerpt · SKILL.md (reported line 60)May include surrounding context.

Address queries are submitted to external services without a privacy warning.

Medium
Category
Output Handling
Confidence
89% confidence
Finding

The workflow instructs the agent to submit action payloads through OOMOL to Addressfinder, which can include user-provided addresses. Although the services are named, the skill never warns that address data leaves the user's environment; labeling read actions as safe to run directly does not address this privacy impact.

Content

No source excerpt is available for this finding.

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
80% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 81)May include surrounding context.

md
- **`OOMOL_INSUFFICIENT_CREDIT`** — OOMOL billing stop. Recharge at `https://console.oomol.com/billing/token-recharge` before retrying.

- **HTTP 402 without `OOMOL_INSUFFICIENT_CREDIT`** — the third-party account itself has no active plan or credit. Report the provider error message as is; do not ask the user to recharge OOMOL.

## Resources