[arch-security] [ASA-201602-1] python-django: permission bypass

[Jelle van der Waa]

Arch Linux Security Advisory ASA-201602-1
=========================================

Severity: Medium
Date    : 2016-02-02
CVE-ID  : CVE-2016-2048
Package : python-django
Type    : permission bypass
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package python-django before version 1.9.2-1 is vulnerable to
permission bypass.

Resolution
==========

Upgrade to 1.9.2-1.

# pacman -Syu "python-django>=1.9.2-1"

The problem has been fixed upstream in version 1.9.2.

Workaround
==========

None.

Description
===========

If a ModelAdmin uses save_as=True (not the default), the admin provides an
option when editing objects to "Save as new".  A regression in Django 1.9
prevented that form submission from raising a "Permission Denied" error for
users without the "add" permission.

Impact
======

A remote attacker with django User account and change permissions but not
"add" might be able to create objects for ModelAdmin with save=True.

References
==========

https://www.djangoproject.com/weblog/2016/feb/01/releases-192-and-189/
https://access.redhat.com/security/cve/CVE-2016-2048
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