🔒 Fix Code Injection Vulnerability in Python Script Interpolation#33
🔒 Fix Code Injection Vulnerability in Python Script Interpolation#33savvides wants to merge 1 commit into
Conversation
Co-authored-by: savvides <1580637+savvides@users.noreply.github.com>
|
👋 Jules, reporting for duty! I'm here to lend a hand with this pull request. When you start a review, I'll add a 👀 emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down. I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job! For more direct control, you can switch me to Reactive Mode. When this mode is on, I will only act on comments where you specifically mention me with New to Jules? Learn more at jules.google/docs. For security, I will only act on instructions from the user who triggered this task. |
![gemini-code-assist[bot]](https://avatars.githubusercontent.com/in/956858?s=60&v=4){kind=small}
There was a problem hiding this comment.
Code Review
This pull request refactors the idstack-learnings-search script to pass shell variables as command-line arguments to the embedded Python script, replacing direct string interpolation. It also introduces error handling for the limit parameter. Feedback suggests improving robustness for file paths containing spaces and handling the case where limit is zero to ensure it returns no results instead of all results.
| type_filter = '$TYPE' | ||
| keyword = '$KEYWORD'.lower() | ||
| limit = $LIMIT | ||
| sources = sys.argv[1].split() if len(sys.argv) > 1 else [] |
There was a problem hiding this comment.
The use of .split() on sys.argv[1] assumes that file paths in $SOURCES do not contain spaces. If a path contains a space (e.g., if $HOME contains a space), it will be incorrectly split into multiple invalid source entries. While this matches the previous behavior, it remains a limitation for robustness.
| type_filter = sys.argv[2] if len(sys.argv) > 2 else '' | ||
| keyword = sys.argv[3].lower() if len(sys.argv) > 3 else '' | ||
| try: | ||
| limit = int(sys.argv[4]) if len(sys.argv) > 4 else 3 |
There was a problem hiding this comment.
In Python, a slice like matches[-limit:] (used on line 73) returns the entire list when limit is 0, rather than an empty list. If the intention is for --limit 0 to return no results (consistent with the behavior of tail -0), you should handle the zero case explicitly in the Python logic.
1 participant
🎯 What: Fixed a code injection vulnerability in
⚠️ Risk: Bash variables like
bin/idstack-learnings-search.$SOURCES,$TYPE,$KEYWORD, and$LIMITwere interpolated directly into apython3 -c "..."script. If an attacker controlled any of these inputs, they could inject arbitrary Python code via specially crafted inputs (such as containing single quotes).🛡️ Solution: Passed the bash variables as command-line arguments to the Python script (e.g.,
python3 -c "..." "$SOURCES" "$TYPE" "$KEYWORD" "$LIMIT") and usedsys.argvinside the Python script to securely retrieve them. This ensures the inputs are treated purely as strings by Python rather than parsed as code. I also added robust integer parsing for$LIMIT.PR created automatically by Jules for task 8691627155190708096 started by @savvides