CVE-2012-4520

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.

• CWE-20

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691145
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090666.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090904.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090970.html
• http://secunia.com/advisories/51033Vendor Advisory
• http://secunia.com/advisories/51314Vendor Advisory
• http://securitytracker.com/id?1027708
• http://ubuntu.com/usn/usn-1632-1
• http://ubuntu.com/usn/usn-1757-1
• http://www.debian.org/security/2013/dsa-2634
• http://www.openwall.com/lists/oss-security/2012/10/30/4
• http://www.osvdb.org/86493
• https://bugzilla.redhat.com/show_bug.cgi?id=865164
• https://github.com/django/django/commit/92d3430f12171f16f566c9050c40feefb830a4a3
• https://github.com/django/django/commit/9305c0e12d43c4df999c3301a1f0c742264a657e
• https://github.com/django/django/commit/b45c377f8f488955e0c7069cad3f3dd21910b071
• https://www.djangoproject.com/weblog/2012/oct/17/security/Patch, Vendor Advisory
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691145
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090666.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090904.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090970.html
• http://secunia.com/advisories/51033Vendor Advisory
• http://secunia.com/advisories/51314Vendor Advisory
• http://securitytracker.com/id?1027708
• http://ubuntu.com/usn/usn-1632-1
• http://ubuntu.com/usn/usn-1757-1
• http://www.debian.org/security/2013/dsa-2634
• http://www.openwall.com/lists/oss-security/2012/10/30/4
• http://www.osvdb.org/86493
• https://bugzilla.redhat.com/show_bug.cgi?id=865164
• https://github.com/django/django/commit/92d3430f12171f16f566c9050c40feefb830a4a3
• https://github.com/django/django/commit/9305c0e12d43c4df999c3301a1f0c742264a657e
• https://github.com/django/django/commit/b45c377f8f488955e0c7069cad3f3dd21910b071
• https://www.djangoproject.com/weblog/2012/oct/17/security/Patch, Vendor Advisory

Published

Nov 18, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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