pySCG: New Python specific rule that promotes signed software, CWE-494: Download of Code Without Integrity Check

Abierto
#11 2 comentarios 0 reacciones 0 asignados Ver en GitHub

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Evaluación

Dificultad
4/5
Tiempo estimado
3-5 días
Aptitud para principiantes
48/100
Tipo de issue
Documentación
Claridad
Bastante claro
Estado de actividad
Tranquilo
Stack tecnológico
python
Área
security

Línea de trabajo

Start by reading the linked CWE-494 and Python.org Sigstore information, then review the Python Packaging User Guide section on signed wheel files. Draft a Python-specific rule explaining the risk of downloading code without integrity checks and how to verify already signed software; decide whether guidance on creating signatures belongs in a separate rule. Done means the rule clearly covers verification before software is used.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

Supply chain attacks are the most efficient attack vector for malicious actors. We need a rule that outlines the issue, aka lack of software verification, and showcase how to at least verify already signed software.

CWE-494: Download of Code Without Integrity Check

Own signatures might require another rule to avoid overloading this one.

Python modules are frequently hosted on mirrors with unknown trust.
Python.org provides a solution via Sigstore since Python 3.10.7
Sigstore information
it is not very well know amongst coders.

Python allows to sign wheel files distribution format — Python Packaging User Guide

https://packaging.python.org/en/latest/specifications/binary-distribution-format/#binary-distribution-format

some text:
Allowing only signed code can prevent injection of malicious or untested code running on production servers. Integrity and authenticity must be verified prior to using code. Authorization must not be assumed but can be based on verifiable individual identities or attributes of signed software.

Lenguaje dominante
Python
Estrellas
2
Forks
2
Merge medio
11 min
PR fusionados (30 d)
2

Preparar el entorno

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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