#VU30672 Arbitrary file upload in Magento Open Source - CVE-2019-8140

Vulnerability identifier: #VU30672

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-8140

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Magento Open Source
Web applications / E-Commerce systems

Vendor: Adobe

Description

The vulnerability allows a remote privileged user to manipulate data.

An unrestricted file upload vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated admin user can manipulate the Synchronization feature in the Media File Storage of the database to transform uploaded JPEG file into a PHP file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Magento Open Source: 2.3.0 - 2.3.1

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External links
https://magento.com/security/patches/magento-2.3.3-and-2.2.10-security-update

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.