Denial of Service Vulnerability in Django Authentication Forms
CVE-2023-46695

7.5HIGH

Key Information:

Vendor

Djangoproject

Status
Django
Vendor
CVE Published:
2 November 2023

What is CVE-2023-46695?

A vulnerability exists in Django's authentication system where the NFKC normalization process is inefficient on Windows platforms. This inefficiency can lead to a Denial of Service (DoS) scenario if the django.contrib.auth.forms.UsernameField processes inputs containing an excessive number of Unicode characters. Attackers may exploit this flaw, causing a slowdown or crash of the application.

References

https://groups.google.com/forum/#%21forum/django-announce
https://docs.djangoproject.com/en/4.2/releases/security/
https://www.djangoproject.com/weblog/2023/nov/01/security...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.