Vulnerability identifier: #VU6298

Vulnerability risk: Medium

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Commerce (formerly Magento Commerce)
Web applications / E-Commerce systems

Vendor: Magento, Inc

Description
The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to absent validation of HTTP request origin when processing file uploads in image preview functionality. A remote attacker can create a specially crafted website, trick the logged-in administrator to visit it and upload arbitrary file on the vulnerable server.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Adobe Commerce (formerly Magento Commerce): 2.1.0 - 2.1.6

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External links
http://www.defensecode.com/advisories/DC-2017-04-003_Magento_Arbitrary_File_Upload.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.