CVE-2019-8140 Magento Unrestricted file upload vulnerability

What is CVE-2019-8140?

CVE-2019-8140 is a medium-severity vulnerability in Magento Magento, published on 5 Nov 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-434

Which versions are affected by CVE-2019-8140?

4 open source packages ship an affected version, including magento/community-edition. It affects 1 product.

Products include Magento Magento.

How do I fix CVE-2019-8140?

Upgrade magento/community-edition to a fixed version for your release line: 2.2.10 or 2.3.3.

Is CVE-2019-8140 being exploited?

There is no known exploitation of CVE-2019-8140 in the wild and no public exploit code.

Other vulnerabilities in Magento Magento

• CVE-2020-9664 Magento php object injection vulnerability Critical 9.8
• CVE-2020-9576 Magento command injection vulnerability Critical 9.8
• CVE-2020-9578 Magento command injection vulnerability Critical 9.8
• CVE-2020-9579 Magento Security mitigation bypass vulnerability Critical 9.8
• CVE-2020-9580 Magento Security mitigation bypass vulnerability Critical 9.8

All Magento Magento vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7pr3-34rg-g53m.