Home/CVE/The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before
CVE

CVE-2016-8869

The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before

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.

CRITICAL · CVSS 9.8 EPSS 0.92004
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
joomla joomla\!<= 3.6.3
⚠

Public Exploits & PoCs

3
webappsJoomla! 3.4.4 < 3.6.4 - Account Creation / Privilege Escalation2016-10-27
pocblog.sucuri.net · details-on-the-privilege-escalation-vulnerability-in-joom...blog.sucuri.net
pocwww.exploit-db.com · 40637www.exploit-db.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Nov 2016 · 09:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privescThird Party Advisory
http://www.securityfocus.com/bid/93883Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037108Third Party AdvisoryVDB Entry
https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.htmlVendor Advisory
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcfPatch
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r
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