github / github/codeql

False negative: unzip using subprocess or `shutil.unpack_archive` is not covered in py/tarslip

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#21,712 0 commentaires 1 réaction 2 personnes assignées Réclamée par @hvitved Voir sur GitHub
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CodeQL
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Description

The rule currently misses standard library functions and patterns that perform archive extraction, such as `shutil.unpack_archive` and system `tar` commands invoked via `subprocess`.

https://github.com/positive666/yolo_research/blob/f5795f27a56ca4dbe4c182e12f61309a52e23967/utils/downloads.py#L173
https://github.com/JohnClema/xffl/blob/a920300239a82a85a87d0bf25735762844ee8e9d/aggregator/aggregation.py#L9

Here is a minimal, simplified code example to reproduce:
```python
import tarfile, sys, shutil, zipfile, subprocess
unsafe_filename = sys.argv[1]
tar = tarfile.open(unsafe_filename)
tar.extractall() # detected
# 1. shutil
shutil.unpack_archive(unsafe_filename, "out") # not detected
# 2. subprocess
subprocess.run(["tar", "-xf", unsafe_filename]) # not detected
```

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