ClawHub
Back to skill

Security audit

Video Analyzer

Security checks for vulnerabilities and agentic risk

Overview

This skill locally extracts video metadata and frames for analysis, with no hidden network access or persistence, but users should be careful with its cleanup and overwrite behavior.

Install only if you are comfortable letting the agent run ffmpeg on videos you choose and send selected extracted frames to the image analysis tool. Use a dedicated output directory and avoid running the documented rm -rf cleanup unless you have verified the exact path.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (3)

Ae1

High
Category
analysis-evasion
Confidence
100% confidence
Finding

Referenced artifact was not completely inspected

Content

Scanner excerpt · SKILL.md (reported line 32)May include surrounding context.

md
bash scripts/analyze_batch.sh <video_file_or_directory> [output_dir]

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The documentation recommends rm -rf <output_dir> as a cleanup step without any safety guardrails or warning about irreversible deletion. In a skill that processes user-supplied paths, this can lead to accidental destructive deletion if output_dir is mis-specified, empty, expanded unexpectedly, or pointed at an important directory.

Content

No source excerpt is available for this finding.

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
76% confidence
Finding

This shell script writes metadata files and extracts JPG frames into an output directory, and ffmpeg is invoked with -y to overwrite existing frame files automatically. While the script prints progress messages, it does not clearly warn the user that running it will create and potentially overwrite files under the chosen output path.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.