CVE-2013-6044

Description

The is_safe_url function in utils/http.py in Django 1.4.x before 1.4.6, 1.5.x before 1.5.2, and 1.6 before beta 2 treats a URL's scheme as safe even if it is not HTTP or HTTPS, which might introduce cross-site scripting (XSS) or other vulnerabilities into Django applications that use this function, as demonstrated by "the login view in django.contrib.auth.views" and the javascript: scheme.

How to fix CVE-2013-6044

To remediate CVE-2013-6044, upgrade the affected package to a fixed version below.

• —upgrade to 1.5.2-1 or later
• —upgrade to 1.2.3-3+squeeze6 or later
• —upgrade to 1.4.6 or later
• —upgrade to ec67af0bd609c412b76eaa4cc89968a2a8e5ad6a or later

Is CVE-2013-6044 being exploited?

Low — EPSS is 4.1%, meaning exploitation activity has not been observed at scale.

Affected packages (4)

• from 0, < 1.5.2-1
• from 0, < 1.2.3-3+squeeze6
• >= 1.4, < 1.4.6
• from 0, < ec67af0bd609c412b76eaa4cc89968a2a8e5ad6a, < ae3535169af804352517b7fea94a42a1c9c4b762, < 1a274ccd6bc1afbdac80344c9b6e5810c1162b5f | >= 1.4, < 1.4.6, >= 1.5, < 1.5.2

CVSS scores

References (18)

• ADVISORYsecunia.com/advisories/54476
• ADVISORYgithub.com/advisories/GHSA-9cwg-mhxf-hh59
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2013-6044
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2013-6044
• PATCHgithub.com