Vulnerability identifier: #VU40729

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-3982

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Django
Web applications / CMS

Vendor: Django Software Foundation

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The session.flush function in the cached_db backend in Django 1.8.x before 1.8.2 does not properly flush the session, which allows remote attackers to hijack user sessions via an empty string in the session key. <a href="http://cwe.mitre.org/data/definitions/384.html">CWE-384: Session Fixation</a>

Mitigation
Install update from vendor's website.

Vulnerable software versions

Django: 1.8.0 - 1.8.1

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External links
http://www.securityfocus.com/bid/74960
http://www.djangoproject.com/weblog/2015/may/20/security-release/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.