CVE-2021-45115 Information

Description

An issue was discovered in Django 2.2 before 2.2.26 3.2 before 3.2.11 and 4.0 before 4.0.1. UserAttributeSimilarityValidator incurred significant overhead in evaluating a submitted password that was artificially large in relation to the comparison values. In a situation where access to user registration was unrestricted this provided a potential vector for a denial-of-service attack.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://docs.djangoproject.com/en/4.0/releases/security/ https://groups.google.com/forum/#!forum/django-announce https://www.djangoproject.com/weblog/2022/jan/04/security-releases/ https://security.netapp.com/advisory/ntap-20220121-0005/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5