Catalog- and manifest-supplied image refs reached pull_image without
ever passing the RPC boundary's validator — a malicious catalog entry
or manifest could pull from an arbitrary registry. The allowlist now
lives in container::image_policy (the RPC check delegates to it) and
both orchestrator pull sites (install_fresh and
ensure_resolved_source_available) refuse refs that fail it.
The shared policy accepts trusted-registry refs and registry-less
Docker Hub shorthand (grafana/grafana etc., used by 8 shipped
manifests — a registry-less ref cannot name an attacker host), and
rejects explicit non-allowlisted hosts, shell metacharacters, and
malformed refs. §A of the 1.8.0 hardening plan.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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