T08 · Insecure Dependencies
Error
- Location
slack_fetch_and_print.sh:15- Finding
Execution of Unverified Dependencies Outside the Skill Package
- Content
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/dev/null | awk '{print $1}' | tr '\n' ' ')" exit 1 fi source "$SCRIPT_DIR/../shared/slack_args.sh" # Download files and collect successful paths DOWNLOADED=() while IFS= read -r line; do echo "$line" if [[ "$line" == SUCCESS:* ]]; then filepath="${line#SUCCESS: }" DOWNLOADED+=("$filepath") fi done < <(python3 "$DOWNLOADER" "${SLACK_ARGS[@]}" "$INBOUND_DIR") ``` ### Technical Analysis The script executes two dependencies located outside the audited Skill package: - `../shared/slack_args.sh` is loaded with `source`, which executes all of its commands in the current shell process. - `../shared/slack_downloader.py` is executed using Python with the invoking user's privileges. Neither dependency is bundled with the audited project, pinned to a known version, validated against a cryptographic digest, or checked for ownership and permissions before execution. The audit therefore cannot verify their network destinations, credential handling, file-selection logic, or other side effects. Using `source` creates a particularly broad trust boundary because the external shell file can modify variables and functions, alter shell behavior, replace commands, read accessible secrets, or directly execute arbitrary commands. The Python dependency can likewise perform any operation available to the invoking user ...[truncated 1958 chars]- Remediation
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