T09 · Insecure Skill Coding Practices
Warning
- Location
scripts/script.sh:6- Finding
Pantry Data Is Created Without Restrictive Permissions
- Content
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> "$DATA_DIR/add.log" local total=$(wc -l < "$DATA_DIR/add.log") echo " [Pantry] add: $input" echo " Saved. Total add entries: $total" _log "add" "$input" ``` ### Technical Analysis The script creates its data directory, history files, record files, and exported files without setting a restrictive process umask or explicitly applying secure permissions. Their effective permissions therefore depend entirely on the user's ambient umask. On a system with a permissive umask, other local users may be able to traverse the pantry directory and read its files. These records can contain user-provided inventory details, schedules, reminders, costs, shopping information, and activity history. The same issue applies to generated JSON, CSV, and text exports. This does not grant remote access or elevated privileges by itself. Exploitation requires access through another local account or process whose permissions allow it to read the affected files. ### Attack Path 1. The victim runs a record-creation command such as `pantry schedule ` or `pantry cost `. 2. The script creates `~/.local/share/pantry` and its files using permissions derived from the victim's ambient umask. 3. If that umask permits group or world access, another local account enumerates the victim's pantry directory. 4. The attacker reads record files, `history.log`, or generated exports. 5. The attacker obtains the household, schedule, cost, reminder, or other information entered by the victim. ### Impact Assessment The vulnerability can cause local confidentiality loss within the p ...[truncated 258 chars]- Remediation
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