Input validation error in Django

1) Input validation error

EUVDB-ID: #VU32537

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/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-2014-3730

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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

External links

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

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.