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CVE-2015-3982: Django allows user sessions hijacking via an empty string in the session key

May 17, 2022 (updated September 17, 2024)

The session.flush function in the cached_db backend in Django 1.8.x before 1.8.2 does not properly flush the session, which allows remote attackers to hijack user sessions via an empty string in the session key.

References

  • github.com/advisories/GHSA-6wgp-fwfm-mxp3
  • github.com/django/django
  • github.com/django/django/commit/31cb25adecba930bdeee4556709f5a1c42d88fd6
  • github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-19.yaml
  • nvd.nist.gov/vuln/detail/CVE-2015-3982
  • web.archive.org/web/20200228092138/http://www.securityfocus.com/bid/74960
  • www.djangoproject.com/weblog/2015/may/20/security-release

Code Behaviors & Features

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Affected versions

All versions starting from 1.8a1 before 1.8.2

Fixed versions

  • 1.8.2

Solution

Upgrade to version 1.8.2 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-384: Session Fixation

Source file

pypi/Django/CVE-2015-3982.yml

Spotted a mistake? Edit the file on GitLab.

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