#VU32537 Input validation error in Django - CVE-2014-3730

Vulnerability identifier: #VU32537

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-3730

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 django.util.http.is_safe_url function in Django 1.4 before 1.4.13, 1.5 before 1.5.8, 1.6 before 1.6.5, and 1.7 before 1.7b4 does not properly validate URLs, which allows remote attackers to conduct open redirect attacks via a malformed URL, as demonstrated by "http:\djangoproject.com."

Mitigation
Install update from vendor's website.

Vulnerable software versions

Django: 1.1.4 - 1.4.12

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External links
https://lists.opensuse.org/opensuse-updates/2014-09/msg00023.html
https://secunia.com/advisories/61281
https://ubuntu.com/usn/usn-2212-1
https://www.debian.org/security/2014/dsa-2934
https://www.openwall.com/lists/oss-security/2014/05/14/10
https://www.openwall.com/lists/oss-security/2014/05/15/3
https://www.securityfocus.com/bid/67410
https://www.djangoproject.com/weblog/2014/may/14/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.