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CVE-2023-46695

Good to know:

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Date: November 1, 2023

An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.

Language: Python

Severity Score

Related Resources (15)

https://github.com/django/django/commit/048a9ebb6ea468426cb4e57c71572cbbd975517f
https://security.netapp.com/advisory/ntap-20231214-0001
https://docs.djangoproject.com/en/4.2/releases/security/
https://nvd.nist.gov/vuln/detail/CVE-2023-46695
https://github.com/django/django
https://www.djangoproject.com/weblog/2023/nov/01/security-releases/
https://docs.djangoproject.com/en/4.2/releases/security
https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-222.yaml
https://github.com/django/django/commit/4965bfdde2e5a5c883685019e57d123a3368a75e
https://security.netapp.com/advisory/ntap-20231214-0001/
https://www.djangoproject.com/weblog/2023/nov/01/security-releases
https://groups.google.com/forum/#!forum/django-announce
https://github.com/django/django/commit/f9a7fb8466a7ba4857eaf930099b5258f3eafb2b
https://groups.google.com/forum/#%21forum/django-announce
https://www.mend.io/vulnerability-database/CVE-2023-46695

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade to version Django - 3.2.23,4.1.13,4.2.7

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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