CVE-2016-2512

Publication date 1 March 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The utils.http.is_safe_url function in Django before 1.8.10 and 1.9.x before 1.9.3 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or possibly conduct cross-site scripting (XSS) attacks via a URL containing basic authentication, as demonstrated by http://mysite.example.com\@attacker.com.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-django	15.10 wily	Fixed 1.7.9-1ubuntu5.2
	14.04 LTS trusty	Fixed 1.6.1-2ubuntu0.12
	12.04 LTS precise	Fixed 1.3.1-4ubuntu1.20

Notes

mdeslaur

patch introduced a regression: https://bugs.launchpad.net/ubuntu/+source/python-django/+bug/1553251 https://code.djangoproject.com/ticket/26308 https://github.com/django/django/commit/ada7a4aefb9bec4c34667b511022be6057102f98 https://github.com/django/django/commit/552f03869ea7f3072b3fa19ffb6cb2d957fd8447

Severity score breakdown

Parameter	Value
Base score	7.4 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-2915-1
Django vulnerabilities
1 March 2016