Django before 1.4.18, 1.6.x before 1.6.10, and 1.7.x before 1.7.3 allows remote attackers to spoof WSGI headers by using an _ (underscore) character instead of a - (dash) character in an HTTP header, as demonstrated by an X-Auth_User header.

Affected: Ubuntu:14.04:LTS: python-django

Jedediah Smith discovered that Django incorrectly handled underscores in WSGI headers. A remote attacker could possibly use this issue to spoof headers in certain environments. (CVE-2015-0219)

Mikko Ohtamaa discovered that Django incorrectly handled user-supplied redirect URLs. A remote attacker could possibly use this issue to perform a cross-site scripting attack. (CVE-2015-0220)

Alex Gaynor discovered that Django incorrectly handled reading files in django.views.static.serve(). A remote attacker could possibly use this issue to cause Django to consume resources, resulting in a denial of service. (CVE-2015-0221)

Keryn Knight discovered that Django incorrectly handled forms with ModelMultipleChoiceField. A remote attacker could possibly use this issue to cause a large number of SQL queries, resulting in a database denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2015-0222)