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Security audit

ostree

Security checks for vulnerabilities and agentic risk

Overview

This documentation-only OSTree skill is purpose-aligned, but it includes privileged deployment, cleanup, config overwrite, and automation examples without strong safeguards.

Install only if you want an agent to help with OSTree/rpm-ostree administration. Treat the command blocks as administrator examples, not safe defaults: review targets and remotes, back up configuration before redirection, confirm the OS/ref and deployment index, and avoid running the automation script on production systems without adding safeguards.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (4)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
90% confidence
Finding

The example writes directly to /ostree/repo/config, modifying repository behavior and trust configuration. In an agent-executed context, direct redirection into config files without a warning or backup step can overwrite existing settings and alter update sources or verification behavior, causing service disruption or trust misconfiguration.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The deployment examples include commands such as ostree admin deploy, switch, rollback, and undeploy that can change booted system state or remove prior deployments. In a skill intended for agents, presenting these actions without a clear warning, precondition checks, or guidance to confirm target OS/ref increases the chance of accidental disruptive execution on a live host.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The automation example creates an executable script under /usr/local/bin that performs pull, deploy, undeploy, and prune operations with set -e, making it easy to operationalize disruptive system changes. In a skill consumed by an autonomous agent, packaging these actions into a ready-to-run script without strong safety guidance materially raises the risk of accidental deployment, cleanup of needed rollback state, or execution on the wrong machine.

Content

No source excerpt is available for this finding.

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
84% confidence
Finding

The remote synchronization examples contact external repositories and may pull or push repository data, which can expose system metadata, consume bandwidth, or move sensitive commits to unintended destinations. Without an explicit warning to verify remote URLs, trust settings, and data sensitivity, an automated agent could perform unintended network operations.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.