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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

Information

Published : 2016-11-04 14:59

Updated : 2016-11-07 11:15

NVD link : CVE-2016-8869

Mitre link : CVE-2016-8869

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

joomla

joomla\!

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