SQL Injection Vulnerability in ExtCalendar 2

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Advisory ID:	HTB22986
Product:	ExtCalendar 2
Vendor:	ExtCalendar 2 Team
Vulnerable Versions:	2.0b2 and probably prior
Tested Version:	2.0b2
Advisory Publication:	May 5, 2011 [without technical details]
Vendor Notification:	May 5, 2011
Public Disclosure:	May 19, 2011
Vulnerability Type:	SQL Injection [CWE-89]
Risk Level:	High

CVSSv2 Base Score:	7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Discovered and Provided:	High-Tech Bridge Security Research Lab
Advisory Details:
High-Tech Bridge SA Security Research Lab has discovered vulnerability in ExtCalendar 2 which could be exploited to perform SQL injection attacks. 1) SQL injection vulnerability in ExtCalendar 2 The vulnerability exists due to input sanitation errors in the "search" parameter in cal_search.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary SQL commands in application`s database. Successful exploitation may allow an attacker to read, modify, add or delete arbitrary data in the database. Exploitation example: <form action="http://[host]/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">
How to Detect SQL Injection Vulnerabilities Website Security Test GDPR & PCI DSS Test Website CMS Security Test CSP & HTTP Headers Check WordPress & Drupal Scanning Try For Free Solution:
Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.

References:
[1] High-Tech Bridge Advisory HTB22986 - https://www.immuniweb.com/advisory/HTB22986 - SQL Injection Vulnerability in ExtCalendar 2 [2] ExtCalendar 2 - http://sourceforge.net/projects/extcal/ - ExtCalendar is a powerful multi-user web-based calendar application. [3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

Previous Security Advisories with CWE-89:

HTB22983: SQL Injection Vulnerability in SuperCali PHP Event Calendar

HTB22967: SQL Injection Vulnerability in Shutter

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