CVE-2015-5963
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 15.04 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.7.10-1 |
| sid | Fixed | 1.7.10-1 |
| forky | Fixed | 1.7.10-1 |
| bullseye | Fixed | 1.7.10-1 |
| bookworm | Fixed | 1.7.10-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| djangoproject | django | 1.4 | |
| djangoproject | django | 1.4.1 | |
| djangoproject | django | 1.4.2 | |
| djangoproject | django | 1.4.4 | |
| djangoproject | django | 1.4.5 | |
| djangoproject | django | 1.4.6 | |
| djangoproject | django | 1.4.7 | |
| djangoproject | django | 1.4.8 | |
| djangoproject | django | 1.4.9 | |
| djangoproject | django | 1.4.10 | |
| djangoproject | django | 1.4.11 | |
| djangoproject | django | 1.4.12 | |
| djangoproject | django | 1.4.13 | |
| djangoproject | django | 1.4.14 | |
| djangoproject | django | 1.4.17 | |
| djangoproject | django | 1.4.19 | |
| djangoproject | django | 1.4.20 | |
| djangoproject | django | 1.4.21 | |
| djangoproject | django | 1.7 | |
| djangoproject | django | 1.7.1 | |
| djangoproject | django | 1.7.2 | |
| djangoproject | django | 1.7.3 | |
| djangoproject | django | 1.7.4 | |
| djangoproject | django | 1.7.5 | |
| djangoproject | django | 1.7.6 | |
| djangoproject | django | 1.7.7 | |
| djangoproject | django | 1.7.8 | |
| djangoproject | django | 1.7.9 | |
| djangoproject | django | 1.8 | |
| djangoproject | django | 1.8.0 | |
| djangoproject | django | 1.8.1 | |
| djangoproject | django | 1.8.2 | |
| djangoproject | django | 1.8.3 | |
References
- 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/
- https://nvd.nist.gov/vuln/detail/CVE-2015-5963
- https://github.com/django/django/commit/2eb86b01d7b59be06076f6179a454d0fd0afaff6
- https://github.com/django/django/commit/2f5485346ee6f84b4e52068c04e043092daf55f7
- https://github.com/django/django/commit/575f59f9bc7c59a5e41a081d1f5f55fc859c5012
- https://github.com/django/django/commit/8cc41ce7a7a8f6bebfdd89d5ab276cd0109f4fc5
- https://github.com/django/django
- https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.4.txt#L9-L21
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-22.yaml
- https://web.archive.org/web/20150904151934/http://www.securitytracker.com/id/1033318
- https://web.archive.org/web/20200228050526/http://www.securityfocus.com/bid/76428
- https://www.djangoproject.com/weblog/2015/aug/18/security-releases
- https://security-tracker.debian.org/tracker/CVE-2015-5963
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.