Vulnerability identifier: #VU18098

Vulnerability risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

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

Vendor: Magento, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure deserialization of data passed through Phar archives. A remote administrator can pass a specially crafted phar archive to the application and execute arbitrary PHP code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Magento Open Source: 2.3.0, 2.2.0 - 2.2.7, 2.1.0 - 2.1.16, 1.9.0.0 - 1.9.4.0

Adobe Commerce (formerly Magento Commerce): 1.14.0.0 - 1.14.4.0

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External links
http://magento.com/security/patches/magento-2.3.1-2.2.8-and-2.1.17-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.