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Multiple Vulnerabilities in SyndeoCMS

Advisory ID:HTB22899
Product:SyndeoCMS
Vendor:http://www.syndeocms.org/
Vulnerable Versions:2.8.02 and probably prior
Tested Version:2.8.02
Advisory Publication:March 10, 2011 [without technical details]
Vendor Notification:March 10, 2011
Public Disclosure:March 24, 2011
Vulnerability Type:Cross-Site Scripting [CWE-79]
SQL Injection [CWE-89]
Risk Level:High
CVSSv2 Base Scores:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in SyndeoCMS which could be exploited to perform cross-site scripting and SQL injection attacks.

1) Cross-site scripting (XSS) vulnerabilities in SyndeoCMS
1.1 The vulnerability exists due to input sanitation error in the "loc_id" parameter in starnet/addons/page_slideshow.php and /starnet/addons/tv.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation examples:
http://[host]/starnet/addons/page_slideshow.php?loc_id=1"></iframe><script>a lert("XSS");</script>
h ttp://[host]/starnet/addons/tv.php?loc_id=1"></iframe><script>alert("XSS");< /script>

1.2 The vulnerability exists due to input sanitation error in the "speed" parameter in starnet/addons/scroll_page. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation example:
http://[host]/starnet/addons/scroll_page.php?speed=--%3E%3C/script%3E%3C/hea d%3E%3Cscript%3Ealert%28 %22XSS%22%29;%3C/script%3E

2) SQL injection vulnerability in SyndeoCMS
The vulnerability exists due to input sanitation errors in the "user_username" parameter in starnet\modules\sn_studentpages\user_login.php. A remote attacker can send a specially crafted HTTP POST request to the vulnerable script and execute arbitrary SQL commands in application`s database. Successful exploitation may allow an attacker to read, modify, add or delete arbitrary data in the database.
Exploitation examples:
<form action="http://[host]/index.php?section=4&page=3" method="post" name="main" >
<input type="hidden" name="user_username" value="1'SQL_CODE_HERE" />
<input type="hidden" name="user_password" value="1" />
<input type="hidden" name="option" value="userlogin" />
<input type="submit" value="submit" name="submit" />
</form>


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Solution:
Upgrade to the most recent version.

More Information:
http://www.syndeocms.org/forum/index.php?topic=2100.0


References:
[1] High-Tech Bridge Advisory HTB22899 - https://www.htbridge.com/advisory/HTB22899 - Multiple Vulnerabilities in SyndeoCMS
[2] SyndeoCMS - syndeocms.org - Syndeocms is a Content Management System (CMS) to manage and maintain the website of a primary school.
[3] 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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