CVE-2021-45452

El archivo Storage.save en Django versiones 2.2 anteriores a 2.2.26, 3.2 anteriores a 3.2.11 y 4.0 anteriores a 4.0.1, permite un salto de directorio si le es pasado directamente nombres de archivos diseñados.

A directory-traversal flaw was found in Django's Storage.save() method, where a network attacker could possibly traverse restricted paths using suitably crafted file names.

Chris Bailey discovered that Django incorrectly handled evaluating submitted passwords. A remote attacker could possibly use this issue to consume resources, resulting in a denial of service. Dennis Brinkrolf discovered that Django incorrectly handled the dictsort template filter. A remote attacker could possibly use this issue to obtain sensitive information. Dennis Brinkrolf discovered that Django incorrectly handled certain file names. A remote attacker could possibly use this issue to save files to arbitrary filesystem locations.