The django.http.HttpRequest.get_host function in Django 1.3.x before 1.3.4 and 1.4.x before 1.4.2 allows remote attackers to generate and display arbitrary URLs via crafted username and password Host header values.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-4520
• django/django@92d3430
• django/django@9305c0e
• django/django@b45c377
• https://bugzilla.redhat.com/show_bug.cgi?id=865164
• https://www.djangoproject.com/weblog/2012/oct/17/security/
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691145
• https://lists.fedoraproject.org/pipermail/package-announce/2012-October/090666.html
• https://lists.fedoraproject.org/pipermail/package-announce/2012-October/090904.html
• https://lists.fedoraproject.org/pipermail/package-announce/2012-October/090970.html
• https://ubuntu.com/usn/usn-1632-1
• https://ubuntu.com/usn/usn-1757-1
• https://web.archive.org/web/20140417023920/http://securitytracker.com/id?1027708
• https://www.debian.org/security/2013/dsa-2634
• https://www.openwall.com/lists/oss-security/2012/10/30/4