CVE-2019-7912: Malicious File Upload
First published: Tue Jun 25 2019(Updated: )
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.
Credit: psirt@adobe.com psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/magento/product-community-edition | >=2.1<2.1.18>=2.2<2.2.9>=2.3<2.3.2 | |
| composer/magento/community-edition | >=2.3<2.3.2 | 2.3.2 |
| composer/magento/community-edition | >=2.2<2.2.9 | 2.2.9 |
| composer/magento/community-edition | >=2.1<2.1.18 | 2.1.18 |
| CentOS Libgcc | >=2.1.0<2.1.18 | |
| CentOS Libgcc | >=2.2.0<2.2.9 | |
| CentOS Libgcc | >=2.3.0<2.3.2 |
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Reference Links
- https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33
- https://nvd.nist.gov/vuln/detail/CVE-2019-7912
- https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7912.yaml
- https://web.archive.org/web/20201220124205/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33
- https://github.com/advisories/GHSA-f8h9-7rpq-7qcc (Advisory)
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.
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