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SQL Injection Vulnerabilities in 4site CMS

Advisory ID:HTB22639
Product:4site CMS
Vendor:Method Lab
Vulnerable Versions:2.6 and probably prior
Tested Version:2.6
Advisory Publication:October 5, 2010 [without technical details]
Vendor Notification:October 5, 2010
Public Disclosure:October 19, 2010
Vulnerability Type:SQL Injection [CWE-89]
CVE Reference:CVE-2010-4152
Risk Level:High
CVSSv2 Base Score:7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered three vulnerabilities in 4site CMS which could be exploited to execute arbitrary SQL commands in application`s database.


1) SQL injection vulnerabilities in 4site CMS: CVE-2010-4152

1.1 The vulnerability exists due to insufficient validation of input data passed to the "cat" parameter in catalog/index.shtml ("Catalog" module). A remote attacker can send a specially crafted HTTP GET 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 example:

http://host/catalog/index.shtml?cat=-1+UNION+SELECT+@@version

1.2 The vulnerability exists due to insufficient validation of input data passed to the "i" parameter in portfolio/index.shtml (""Goods" module) when parameter "s" is set. A remote attacker can send a specially crafted HTTP GET 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 example:

http://host/portfolio/index.shtml?s=8&i=-1+UNION+SELECT+1,user(),@@version,4,5,6,7,8,9

1.3 Input passed to the "th" parameter in faq/index.shtml ("FAQ" module) is not properly sanitized before being used in a SQL query. A remote attacker can send a specially crafted HTTP GET 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 example:

http://host/faq/index.shtml?th=-1+UNION+SELECT+@@version


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.


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References:
[1] High-Tech Bridge Advisory HTB22639 - https://www.htbridge.com/advisory/HTB22639 - SQL Injection Vulnerabilities in 4site CMS
[2] 4site CMS - http://www.4site.ru - 4site CMS is a free Russian content management system.
[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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