Description
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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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Joomla Account Creation and Privilege Escalation
auxiliary/admin/http/joomla_registration_privesc
Exploit-DB 1
- Joomla! 3.4.4 < 3.6.4 - Account Creation / Privilege Escalation EDB-40637 · webapps · Oct 27, 2016
GitHub 3 repositories
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rustyJ4ck/JoomlaCVE20168869 ★ 7 · Nov 10, 2016
Exploit for Joomla 3.4.4 - 3.6.4 (CVE-2016-8869 and CVE-2016-8870)
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cved-sources/cve-2016-8869 ★ 0 · Jan 11, 2019
cve-2016-8869
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zugetor/Joomla-3.4.4-3.6.4_CVE-2016-8869_and_CVE-2016-8870 ★ 0 · Nov 2, 2016
Source code: https://github.com/XiphosResearch/exploits/tree/master/Joomraa
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html
- 93883 vdb-entry
- https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html
- http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc
- 40637 exploit
- 1037108 vdb-entry
- https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf
- https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r