USN-2915-1 introduced a regression in Django.
USN-2915-1 fixed vulnerabilities in Django. The upstream fix for CVE-2016-2512 introduced a regression for certain applications. This update fixes the problem by applying the complete upstream regression fix.
7 March 2016
A security issue affects these releases of Ubuntu and its derivatives:
USN-2915-1 introduced a regression in Django.
USN-2915-1 fixed vulnerabilities in Django. The upstream fix for CVE-2016-2512 introduced a regression for certain applications. This update fixes the problem by applying the complete upstream regression fix.
Original advisory details:
Mark Striemer discovered that Django incorrectly handled user-supplied redirect URLs containing basic authentication credentials. A remote attacker could possibly use this issue to perform a cross-site scripting attack or a malicious redirect. (CVE-2016-2512)
Sjoerd Job Postmus discovered that Django incorrectly handled timing when doing password hashing operations. A remote attacker could possibly use this issue to perform user enumeration. (CVE-2016-2513)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon