Joomla J2Store 3.1.6 SQL Injection

2015.07.13
Credit: Brandon Perry
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-89

J2Store v3.1.6, a Joomla! extension that adds basic store functionality to a Joomla! instance, suffered from two unauthenticated boolean-blind and error-based SQL injection vulnerabilities. Since February 2015, J2Store has had about 16,000 downloads as of this writing. The first vulnerability was in the sortby parameter within a request made while searching for products. POST /index.php HTTP/1.1 Host: 192.168.1.3 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:37.0) Gecko/20100101 Firefox/37.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Connection: keep-alive Content-Type: application/x-www-form-urlencoded Content-Length: 124 search=&sortby=product_name+DESC&option=com_j2store&view=products&task=browse&Itemid=115 The second vulnerability was in an advanced search multipart form request, within the manufacturer_ids parameters. POST /index.php HTTP/1.1 Host: 192.168.1.3 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:37.0) Gecko/20100101 Firefox/37.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Connection: keep-alive Content-Type: multipart/form-data; boundary=---------------------------69182815810793866481457026727 Content-Length: 1023 -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="pricefrom" 0 -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="priceto" 521 -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="manufacturer_ids[]" 1 -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="option" com_j2store -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="view" products -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="task" browse -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="Itemid" 115 -----------------------------69182815810793866481457026727 Content-Disposition: form-data; name="9d0a4b9d6d4b46fc51d25844b91c2057" 1 -----------------------------69182815810793866481457026727-- A Metasploit scanner module and two auxiliary modules are available on the ExploitHub store which will help you find and validate any vulnerable instances. A PCAP is included with each module. Free Metasploit scanner module: https://exploithub.com/j2store-3-1-6-sql-injection-scanner.html Metasploit User/Password Enumeration auxiliary module: https://exploithub.com/j2store-3-1-6-user-password-enumeration-via-sql-injection.html Metasploit Arbitrary File Read auxiliary module: https://exploithub.com/j2store-3-1-6-arbitrary-file-read-via-sql-injection.html Timeline July 7 2015: Reported to vendor July 7 2015: Vendor response asking for details July 7 2015: Details sent July 7 2015: Vendor sends email saying the vulnerabilities were fixed and a new version will be out soon July 8 2015: Version 3.1.7 released, advisory released with modules -- http://volatile-minds.blogspot.com -- blog http://www.volatileminds.net -- website


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