CVE-2015-5963 Information

Description

contrib.sessions.middleware.SessionMiddleware in Django 1.8.x before 1.8.4 1.7.x before 1.7.10 1.4.x before 1.4.22 and possibly other versions allows remote attackers to cause a denial of service (session store consumption or session record removal) via a large number of requests to contrib.auth.views.logout which triggers the creation of an empty session record.

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html http://lists.opensuse.org/opensuse-updates/2015-09/msg00026.html http://lists.opensuse.org/opensuse-updates/2015-09/msg00035.html http://rhn.redhat.com/errata/RHSA-2015-1766.html http://rhn.redhat.com/errata/RHSA-2015-1767.html http://rhn.redhat.com/errata/RHSA-2015-1894.html http://www.debian.org/security/2015/dsa-3338 http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html http://www.securityfocus.com/bid/76428 http://www.securitytracker.com/id/1033318 http://www.ubuntu.com/usn/USN-2720-1 https://access.redhat.com/errata/RHSA-2015:1876 https://www.djangoproject.com/weblog/2015/aug/18/security-releases/