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Security audit

ClawTime

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed ClawTime operating guide whose local service commands and stored ClawTime files fit its stated widget, task panel, and avatar customization purpose.

Before installing, be aware that this skill can guide an agent to restart a user-level ClawTime service and write persistent ClawTime task, config, and avatar files. Review any custom avatar JavaScript before use, and do not treat the listed credential or session files as files the agent should inspect unless you explicitly intend that.

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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Rogue AgentSelf-Modification, Session Persistence
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · SKILL.md (reported line 331)May include surrounding context.

md
|------|---------|
| `~/.clawtime/.env` | Secrets & config |
| `~/.clawtime/config.json` | Avatar selection, preferences |
| `~/.clawtime/credentials.json` | Passkey data |
| `~/.clawtime/sessions.json` | Active sessions |
| `~/.clawtime/avatars/` | Custom avatars |
| `~/.clawtime/tasks.json` | Task list |

Session Persistence

Medium
Category
Rogue Agent
Confidence
60% confidence
Finding

Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.

Content

Scanner excerpt · SKILL.md (reported line 150)May include surrounding context.

Avatar Template

Create at ~/.clawtime/avatars/<name>.js:

javascript
/* AVATAR_META {"name":"MyAgent","emoji":"🤖","description":"Custom 3D avatar","color":"4f46e5"} */

Static analysis

No suspicious patterns detected.