🛡️ Sentinel: Tighten permissions on downloaded binaries and directories#36
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Tightened file and directory permissions for GitHub CLI extensions and Copilot binaries downloaded by the CLI. Changed world-readable permissions (0755/0644) to owner-only (0700/0600) to follow the principle of least privilege. Modified files: - pkg/cmd/extension/manager.go - pkg/cmd/extension/http.go - pkg/cmd/copilot/copilot.go - internal/zip/zip.go - .jules/sentinel.md (Journal) Co-authored-by: ruhdevops <203426218+ruhdevops@users.noreply.github.com>
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🚨 Severity: MEDIUM
💡 Enhancement: This change tightens file and directory permissions for GitHub CLI extensions and Copilot binaries downloaded by the CLI.
🎯 Impact: Ensures that downloaded binaries and metadata are only accessible by the user who installed them, following the principle of least privilege.
🔧 Fix: Updated
os.MkdirAllandos.OpenFilecalls to use0700and0600permissions respectively in extension and copilot management code. Updatedinternal/zipconstants to default to secure permissions.✅ Verification: Ran
go test ./pkg/cmd/extension/... ./pkg/cmd/copilot/... ./internal/zip/...and all tests passed. Verified file permissions in source code.PR created automatically by Jules for task 3686674883058860610 started by @ruhdevops