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.

How to fix CVE-2015-5963

To remediate CVE-2015-5963, upgrade the affected package to a fixed version below.

• —upgrade to 1.7.10-1 or later
• —upgrade to 1.2.3-3+squeeze14 or later
• —upgrade to 1.4.5-1+deb7u13 or later
• —upgrade to 1.8.4 or later
• —upgrade to 1.8.4 or later

Is CVE-2015-5963 being exploited?

Moderate — EPSS is 7.1%. Track this CVE but it's not at the top of the prioritisation list.

Affected packages (5)

• from 0, < 1.7.10-1
• from 0, < 1.2.3-3+squeeze14
• from 0, < 1.4.5-1+deb7u13
• >= 1.8, < 1.8.4
• >= 1.8, < 1.8.4, >= 1.7, < 1.7.10, >= 1.4, < 1.4.22

CVSS scores

References (26)

• ADVISORYgithub.com/advisories/GHSA-pgxh-wfw4-jx2v
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2015-5963
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2015-5963
• ADVISORYwww.djangoproject.com/weblog/2015/aug/18/security-releases/
• PATCH