id: PYSEC-2015-22 details: 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. affected: - package: name: django ecosystem: PyPI purl: pkg:pypi/django ranges: - type: ECOSYSTEM events: - introduced: "1.8" - fixed: 1.8.4 - introduced: "1.7" - fixed: 1.7.10 - introduced: "1.4" - fixed: 1.4.22 versions: - "1.4" - 1.4.1 - 1.4.10 - 1.4.11 - 1.4.12 - 1.4.13 - 1.4.14 - 1.4.15 - 1.4.16 - 1.4.17 - 1.4.18 - 1.4.19 - 1.4.2 - 1.4.20 - 1.4.21 - 1.4.3 - 1.4.4 - 1.4.5 - 1.4.6 - 1.4.7 - 1.4.8 - 1.4.9 - "1.7" - 1.7.1 - 1.7.2 - 1.7.3 - 1.7.4 - 1.7.5 - 1.7.6 - 1.7.7 - 1.7.8 - 1.7.9 - "1.8" - 1.8.1 - 1.8.2 - 1.8.3 references: - type: ARTICLE url: https://www.djangoproject.com/weblog/2015/aug/18/security-releases/ - type: ADVISORY url: http://www.ubuntu.com/usn/USN-2720-1 - type: WEB url: http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html - type: WEB url: http://www.securityfocus.com/bid/76428 - type: WEB url: http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html - type: ADVISORY url: http://rhn.redhat.com/errata/RHSA-2015-1894.html - type: ADVISORY url: http://rhn.redhat.com/errata/RHSA-2015-1767.html - type: ADVISORY url: http://rhn.redhat.com/errata/RHSA-2015-1766.html - type: WEB url: http://lists.opensuse.org/opensuse-updates/2015-09/msg00035.html - type: WEB url: http://lists.opensuse.org/opensuse-updates/2015-09/msg00026.html - type: WEB url: http://www.securitytracker.com/id/1033318 - type: ADVISORY url: http://www.debian.org/security/2015/dsa-3338 - type: ADVISORY url: https://access.redhat.com/errata/RHSA-2015:1876 - type: ADVISORY url: https://github.com/advisories/GHSA-pgxh-wfw4-jx2v aliases: - CVE-2015-5963 - GHSA-pgxh-wfw4-jx2v modified: "2021-07-15T02:22:09.927134Z" published: "2015-08-24T14:59:00Z"