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Security audit

Ticketmaster

Security checks for vulnerabilities and agentic risk

Overview

Ticketmaster changes require approval, but setup runs unverified downloaded software and omits the dependency’s broader changes to agent skills.

Review and install a fixed CLI release before use instead of letting setup execute a changing remote script. Consider disabling its additional skill synchronization; the publisher documents OO_SKILLS_SYNC_DISABLED=1 for that purpose. Confirm every Ticketmaster change and be comfortable using OOMOL to handle requests and connected credentials. The complete bundled artifact was inspected, but the remote installer and hosted connector implementation remain unverified. No malicious intent is established. [CLI controls](https://github.com/oomol-lab/oo-cli/blob/main/docs/commands.md)

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
Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
Findings (3)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
97% confidence
Finding

The supplied chunk installs external software rather than performing Ticketmaster operations. It provides no evidence that this installer is a supporting dependency for the declared Ticketmaster functionality. The downloaded script's contents and further effects are not visible in the supplied code.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

The setup command streams a remote script directly into Bash without a pinned version or independent integrity verification; the PowerShell alternative has the same weakness. Compromise of the distribution endpoint could therefore execute arbitrary code with the agent process's permissions, potentially exposing local files and credentials. Conditional setup reduces exposure, and the declared Bash(oo *) restriction may block installation if strictly enforced, but neither makes this installation guidance safe.

Content

Scanner excerpt · SKILL.md (reported line 69)May include surrounding context.

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 90)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