CVE-2016-8869 Information

Description

The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc http://www.securityfocus.com/bid/93883 http://www.securitytracker.com/id/1037108 https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf https://medium.com/@showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2.rq4qh1v4r https://www.exploit-db.com/exploits/40637/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8