Vulnerability identifier: #VU42562

Vulnerability risk: Medium

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

CVE-ID: CVE-2013-4315

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Django
Web applications / CMS

Vendor: Django Software Foundation

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Django 1.4.x before 1.4.7, 1.5.x before 1.5.3, and 1.6.x before 1.6 beta 3. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to read arbitrary files via a file path in the ALLOWED_INCLUDE_ROOTS setting followed by a . (dot dot) in a ssi template tag.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Django: 1.4 - 1.6

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External links
http://lists.opensuse.org/opensuse-updates/2013-10/msg00015.html
http://rhn.redhat.com/errata/RHSA-2013-1521.html
http://secunia.com/advisories/54772
http://secunia.com/advisories/54828
http://www.debian.org/security/2013/dsa-2755
http://www.djangoproject.com/weblog/2013/sep/10/security-releases-issued/

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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.