high
7.5
CWE
399
Advisory Published
Advisory Published
Updated

CVE-2015-5964

First published: Mon Aug 24 2015(Updated: )

The (1) `contrib.sessions.backends.base.SessionBase.flush` and (2) `cache_db.SessionStore.flush` functions in Django 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions create empty sessions in certain circumstances, which allows remote attackers to cause a denial of service (session store consumption) via unspecified vectors.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
pip/Django>=1.4<1.4.22
1.4.22
pip/Django>=1.7<1.7.10
1.7.10
Django=1.4
Django=1.4.1
Django=1.4.2
Django=1.4.4
Django=1.4.5
Django=1.4.6
Django=1.4.7
Django=1.4.8
Django=1.4.9
Django=1.4.10
Django=1.4.11
Django=1.4.12
Django=1.4.13
Django=1.4.14
Django=1.4.17
Django=1.4.19
Django=1.4.20
Django=1.4.21
Django=1.7-beta1
Django=1.7-beta2
Django=1.7-beta3
Django=1.7-beta4
Django=1.7-rc1
Django=1.7-rc2
Django=1.7-rc3
Django=1.7.1
Django=1.7.2
Django=1.7.3
Django=1.7.4
Django=1.7.5
Django=1.7.6
Django=1.7.7
Django=1.7.8
Django=1.7.9
Django=1.8-beta1
Django=1.8.0
Django=1.8.1
Django=1.8.2
Django=1.8.3
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=15.04
Oracle Solaris and Zettabyte File System (ZFS)=11.3

Remedy

https://www.djangoproject.com/weblog/2015/aug/18/security-releases/

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-5964?

    CVE-2015-5964 has a medium severity rating as it can lead to denial of service through empty session creation.

  • How do I fix CVE-2015-5964?

    To resolve CVE-2015-5964, upgrade Django to version 1.4.22 or 1.7.10 or later.

  • Which versions of Django are affected by CVE-2015-5964?

    CVE-2015-5964 affects Django versions 1.4.x before 1.4.22 and 1.7.x before 1.7.10.

  • How does CVE-2015-5964 impact web applications?

    CVE-2015-5964 allows attackers to cause denial of service by creating empty sessions, which can disrupt user sessions.

  • Is CVE-2015-5964 patched in later Django versions?

    Yes, CVE-2015-5964 is patched in Django versions 1.4.22 and 1.7.10.

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