CVE-2019-8143 in Magento
Summary
by MITRE
A SQL injection 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 user with access to email templates can send malicious SQL queries and obtain access to sensitive information stored in the database.
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Analysis
by VulDB Data Team • 02/04/2024
This vulnerability represents a critical sql injection flaw in magento 2 ecommerce platforms that affects versions prior to specific patches. The issue stems from inadequate input validation within the email template functionality, allowing authenticated users to inject malicious sql code through carefully crafted template parameters. The vulnerability is particularly concerning because it requires only authenticated access to email templates rather than administrative privileges, making it exploitable by users with relatively limited access rights. This weakness falls under the cwe-89 category of sql injection, which is consistently ranked among the top ten web application security risks by owasp. The attack vector specifically targets the email template processing module where user input is not properly sanitized before being incorporated into database queries.
The operational impact of this vulnerability extends beyond simple data exfiltration as it enables attackers to manipulate database contents, potentially leading to complete system compromise. An attacker with access to email templates can extract sensitive information including customer data, order details, payment information, and system configuration parameters. The vulnerability's exploitation requires minimal privileges and can be automated, making it particularly dangerous in environments where multiple users have template editing capabilities. According to att&ck framework, this represents a privilege escalation technique through application layer exploitation, specifically targeting the credential access and data exposure tactics. The vulnerability's persistence across multiple magento 2 versions indicates a systemic flaw in the input sanitization process that affects the core template handling functionality.
Organizations running affected magento versions face significant risk of data breaches and regulatory compliance violations when this vulnerability is exploited. The authenticated nature of the attack means that insider threats or compromised user accounts could immediately leverage this weakness. Mitigation strategies should include immediate patching to the recommended versions 2.2.10, 2.3.3, or 2.3.2-p1, along with implementing additional access controls for email template functionality. Security teams should also consider network segmentation and monitoring for unusual database query patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of proper input validation and the principle of least privilege in web application security, where even limited user access should not provide pathways to database-level compromise. Regular security assessments and vulnerability scanning should be implemented to identify similar flaws in other components of the magento platform or related systems.