CVE-2016-8870

Joomla! 3.4.4 < 3.6.4 - Account Creation / Privilege Escalation

Severity Score

8.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4, when registration has been disabled, allows remote attackers to create user accounts by leveraging failure to check the Allow User Registration configuration setting.

El método de registro en la clase UsersModelRegistration en controllers/user.php en el componente Users en Joomla! en versiones anteriores a 3.6.4, cuando ha sido desactivado el registro, permite a atacantes remotos crear cuentas de usuario aprovechando el fallo para comprobar el ajuste de configuración Allow User Registration.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-10-21 CVE Reserved
2016-11-04 CVE Published
2024-08-06 CVE Updated
2024-08-06 First Exploit
2024-08-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation

CAPEC

References (11)

URL	Tag	Source
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc	Third Party Advisory
http://www.securityfocus.com/bid/93876	Third Party Advisory
http://www.securitytracker.com/id/1037107	Vdb Entry
http://www.securitytracker.com/id/1037108	Third Party Advisory
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html	X_refsource_misc
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r	X_refsource_misc
https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html
https://medium.com/@showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2

URL	Date	SRC
https://www.exploit-db.com/exploits/40637	2024-08-06

URL	Date	SRC
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf	2023-11-07

URL	Date	SRC
https://developer.joomla.org/security-centre/659-20161001-core-account-creation.html	2016-10-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Joomla Search vendor "Joomla"		Joomla\! Search vendor "Joomla" for product "Joomla\!"				<= 3.6.3 Search vendor "Joomla" for product "Joomla\!" and version " <= 3.6.3"		-		Affected