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CVE-2021-45116: Information disclosure in Django

January 12, 2022 (updated September 20, 2024)

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. Due to leveraging the Django Template Language’s variable resolution logic, the dictsort template filter was potentially vulnerable to information disclosure, or an unintended method call, if passed a suitably crafted key.

References

  • docs.djangoproject.com/en/4.0/releases/security
  • github.com/advisories/GHSA-8c5j-9r9f-c6w8
  • github.com/django/django
  • github.com/django/django/commit/2a8ec7f546d6d5806e221ec948c5146b55bd7489
  • github.com/django/django/commit/c7fe895bca06daf12cc1670b56eaf72a1ef27a16
  • github.com/django/django/commit/c9f648ccfac5ab90fb2829a66da4f77e68c7f93a
  • github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2022-2.yaml
  • groups.google.com/forum/
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV
  • nvd.nist.gov/vuln/detail/CVE-2021-45116
  • security.netapp.com/advisory/ntap-20220121-0005
  • www.djangoproject.com/weblog/2022/jan/04/security-releases

Code Behaviors & Features

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Affected versions

All versions starting from 2.2 before 2.2.26, all versions starting from 3.2 before 3.2.11, all versions starting from 4.0 before 4.0.1

Fixed versions

  • 2.2.26
  • 3.2.11
  • 4.0.1

Solution

Upgrade to versions 2.2.26, 3.2.11, 4.0.1 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

pypi/Django/CVE-2021-45116.yml

Spotted a mistake? Edit the file on GitLab.

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