Vulnerability Monitor

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CVE-2016-8869

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.

Published

2016-11-04T21:59:07.553

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

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

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

Exploitability Score

10.0

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/93883 Third Party Advisory, VDB Entry ([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 Exploit, Technical Description, Third Party Advisory ([email protected])
https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.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/93883 Third Party Advisory, VDB Entry (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 Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.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)