high
7.8
CWE
399 770
Advisory Published
Advisory Published
Updated

CVE-2015-5143

First published: Tue Jul 14 2015(Updated: )

The session backends in Django before 1.4.21, 1.5.x through 1.6.x, 1.7.x before 1.7.9, and 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (session store consumption) via multiple requests with unique session keys.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
pip/Django>=1.8<1.8.3
1.8.3
pip/Django>=1.5<1.7.9
1.7.9
pip/django<1.4.21
1.4.21
djangoproject Django=1.4.20
djangoproject Django=1.5
djangoproject Django=1.5-alpha
djangoproject Django=1.5-beta
djangoproject Django=1.5.1
djangoproject Django=1.5.2
djangoproject Django=1.5.3
djangoproject Django=1.5.4
djangoproject Django=1.5.5
djangoproject Django=1.5.6
djangoproject Django=1.5.7
djangoproject Django=1.5.8
djangoproject Django=1.5.9
djangoproject Django=1.5.10
djangoproject Django=1.5.11
djangoproject Django=1.5.12
djangoproject Django=1.6
djangoproject Django=1.6-beta1
djangoproject Django=1.6-beta2
djangoproject Django=1.6-beta3
djangoproject Django=1.6-beta4
djangoproject Django=1.6.1
djangoproject Django=1.6.2
djangoproject Django=1.6.3
djangoproject Django=1.6.4
djangoproject Django=1.6.5
djangoproject Django=1.6.6
djangoproject Django=1.6.7
djangoproject Django=1.6.8
djangoproject Django=1.6.9
djangoproject Django=1.6.10
djangoproject Django=1.7-beta1
djangoproject Django=1.7-beta2
djangoproject Django=1.7-beta3
djangoproject Django=1.7-beta4
djangoproject Django=1.7-rc1
djangoproject Django=1.7-rc2
djangoproject Django=1.7-rc3
djangoproject Django=1.7.1
djangoproject Django=1.7.2
djangoproject Django=1.7.3
djangoproject Django=1.7.4
djangoproject Django=1.7.5
djangoproject Django=1.7.6
djangoproject Django=1.7.7
djangoproject Django=1.7.8
djangoproject Django=1.7.9
djangoproject Django=1.8.0
djangoproject Django=1.8.1
djangoproject Django=1.8.2
Debian=7.0
Debian=8.0
Oracle Solaris SPARC=11.3
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=15.04
Ubuntu=15.10

Remedy

https://www.djangoproject.com/weblog/2015/jul/08/security-releases/

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-5143?

    CVE-2015-5143 is classified as a high severity vulnerability due to its potential for causing a denial of service.

  • How do I fix CVE-2015-5143?

    To fix CVE-2015-5143, upgrade Django to version 1.4.21, 1.7.9, or 1.8.3 or later.

  • Which versions of Django are affected by CVE-2015-5143?

    The affected versions of Django include all versions prior to 1.4.21, 1.5.x through 1.6.x, 1.7.x prior to 1.7.9, and 1.8.x prior to 1.8.3.

  • What type of attack does CVE-2015-5143 allow?

    CVE-2015-5143 allows remote attackers to exploit the vulnerability by making multiple requests with unique session keys to exhaust the session store.

  • Is there any workaround for CVE-2015-5143 if I cannot upgrade?

    There is no specific workaround for CVE-2015-5143; upgrading to the secure versions is recommended.

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