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docker: guard RemoveSiteContainer prune against path escape #659

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opened 2026-08-14 07:10:46 +00:00 by the.auditor · 0 comments
the.auditor commented 2026-08-14 07:10:46 +00:00
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internal/docker/container.go RemoveSiteContainer calls os.RemoveAll(opts.SiteDir) — a recursive destructive operation — with no containment check. If a caller ever passes an unexpected path (the base directory root, /, etc.) it deletes arbitrarily. Add a guard that resolves SiteDir and verifies it falls under d.baseDir (e.g. filepath.Rel) before pruning.

See PR #658.

`internal/docker/container.go` `RemoveSiteContainer` calls `os.RemoveAll(opts.SiteDir)` — a recursive destructive operation — with no containment check. If a caller ever passes an unexpected path (the base directory root, `/`, etc.) it deletes arbitrarily. Add a guard that resolves `SiteDir` and verifies it falls under `d.baseDir` (e.g. `filepath.Rel`) before pruning. See PR #658.
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