#VU10952 Improper input validation in Django - CVE-2018-7536

Vulnerability identifier: #VU10952

Vulnerability risk: Low

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

CVE-ID: CVE-2018-7536

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 unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the django.utils.html.urlize() function due to insufficient validation of user-supplied input. A remote attacker can submit a specially crafted input and cause the service to crash.

Mitigation
Update to versions 2.0.3, 1.11.11 or 1.8.19.

Vulnerable software versions

Django: 1.8.0 - 1.11.10, 2.0.0 - 2.0.3

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External links
https://www.djangoproject.com/weblog/2018/mar/06/security-releases/

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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.