Vulnerability Monitor

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CVE-2016-8870

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.

Published

2016-11-04T21:59:08.677

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	joomla	joomla\!	≤ 3.6.3	Yes

References

http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/93876 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1037107 ([email protected])
http://www.securitytracker.com/id/1037108 Third Party Advisory, VDB Entry ([email protected])
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html ([email protected])
https://developer.joomla.org/security-centre/659-20161001-core-account-creation.html Vendor Advisory ([email protected])
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf Patch ([email protected])
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r ([email protected])
https://www.exploit-db.com/exploits/40637/ Exploit, Third Party Advisory ([email protected])
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/93876 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1037107 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1037108 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html (af854a3a-2127-422b-91ae-364da2661108)
https://developer.joomla.org/security-centre/659-20161001-core-account-creation.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf Patch (af854a3a-2127-422b-91ae-364da2661108)
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/40637/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)