YouPHPTube 7.2 userCreate.json.php SQL Injection

2019.08.20
Credit: Fabian Mosch
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

# 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: https://github.com/YouPHPTube/YouPHPTube/commit/891843d547f7db5639925a67b7f2fd66721f703a


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