CVE-2019-7912: Magento Filter extension bypass via crafted store configuration keys
A file upload filter bypass exists in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. This can be exploited by an authenticated user with admin privileges to edit configuration keys to remove file extension filters, potentially resulting in the malicious upload and execution of malicious files on the server.
Other sources
Magento Filter extension bypass via crafted store configuration keys
— Packagist
PRODSECBUG-2321: Filter extension bypass via crafted store configuration keys
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/magento/community-editionto a version that resolves this vulnerability.Fixed in 2.3.2 - Upgrade
Upgrade
composer/magento/community-editionto a version that resolves this vulnerability.Fixed in 2.2.9 - Upgrade
Upgrade
composer/magento/community-editionto a version that resolves this vulnerability.Fixed in 2.1.18 - Upgrade
Upgrade
composer/magento/product-community-editionto a version that resolves this vulnerability.Fixed in 2.1.18 - Upgrade
Upgrade
composer/magento/product-community-editionto a version that resolves this vulnerability.Fixed in 2.2.9 - Upgrade
Upgrade
composer/magento/product-community-editionto a version that resolves this vulnerability.Fixed in 2.3.2 - Upgrade
Upgrade
Magentoto a version that resolves this vulnerability.Fixed in 2.1.18 - Upgrade
Upgrade
Magentoto a version that resolves this vulnerability.Fixed in 2.2.9 - Upgrade
Upgrade
Magentoto a version that resolves this vulnerability.Fixed in 2.3.2
Event History
Frequently Asked Questions
What is the severity of CVE-2019-7912?
CVE-2019-7912 is classified as a high severity vulnerability due to the potential for authenticated users with admin privileges to upload malicious files.
How do I fix CVE-2019-7912?
To fix CVE-2019-7912, update Magento to version 2.1.18, 2.2.9, or 2.3.2 or later.
Who is affected by CVE-2019-7912?
CVE-2019-7912 affects Magento versions 2.1 prior to 2.1.18, 2.2 prior to 2.2.9, and 2.3 prior to 2.3.2.
What can an attacker do with CVE-2019-7912?
An attacker with admin privileges can exploit CVE-2019-7912 to bypass file upload filters and potentially upload malicious files.
Is there a workaround for CVE-2019-7912?
There is no official workaround for CVE-2019-7912; patching to a secure version is the recommended action.