7.8 - GLSA-201510-06

Synopsis

Multiple vulnerabilities have been found in Django, the worst of which may allow a remote attacker to cause Denial of Service.

Background

Django is a Python-based web framework.

Description

Multiple vulnerabilities have been found in Django:

* Session backends create a new record anytime request.session was accessed (CVE-2015-5143)
* Built-in validators in Django do not properly sanitize input (CVE-2015-5144)
* URL validation included a regular expression that was extremely slow (CVE-2015-5145)

Impact

A remote attacker may be able cause a Denial of Service condition, inject arbitrary headers, and conduct HTTP response splitting attacks.

Workaround

There is no known workaround at this time.

Resolution

All Django 1.8 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/django-1.8.3"

All Django 1.7 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/django-1.7.9"

All Django 1.4 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/django-1.4.21"

References

[ 1 ] CVE-2015-5143 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5143
[ 2 ] CVE-2015-5144 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5144
[ 3 ] CVE-2015-5145 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5145

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201510-06