CVE-2016-10553 in sequalize
Summary
by MITRE
sequalize is an Object-relational mapping, or a middleman to convert things from Postgres, MySQL, MariaDB, SQLite and Microsoft SQL Server into usable data for NodeJS. A fix was pushed out that fixed potential SQL injection in sequelize 2.1.3 and earlier.
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Analysis
by VulDB Data Team • 02/10/2020
The vulnerability identified as CVE-2016-10553 affects the sequelize library, a popular object-relational mapping tool that facilitates database interactions for Node.js applications. This library serves as a critical middleware component that translates database operations from various SQL dialects including Postgres, MySQL, MariaDB, SQLite, and Microsoft SQL Server into manageable JavaScript objects. The flaw represents a significant security weakness that could compromise database integrity and application security when exploited by malicious actors.
The technical nature of this vulnerability stems from insufficient input validation and sanitization within the sequelize library's query construction mechanisms. Specifically, the issue manifests when developers pass user-supplied input directly into sequelize query methods without proper escaping or parameterization. This creates an environment where attackers can inject malicious SQL fragments that bypass normal security controls and execute unintended database operations. The vulnerability is classified as a SQL injection flaw under CWE-89, which represents one of the most critical categories of web application vulnerabilities according to the CWE hierarchy.
The operational impact of this vulnerability extends far beyond simple data theft, as it can enable complete database compromise including unauthorized data manipulation, privilege escalation, and potential lateral movement within network environments. Attackers exploiting this vulnerability could execute arbitrary SQL commands, potentially gaining access to sensitive user data, financial records, or system information. The widespread adoption of sequelize in Node.js applications means that organizations using vulnerable versions could face extensive exposure, particularly in environments where database credentials are not properly restricted or where applications lack proper input validation layers.
Organizations affected by this vulnerability should immediately upgrade to sequelize version 2.1.3 or later, which contains the necessary patches to address the SQL injection flaws. Security teams should conduct comprehensive audits of their Node.js applications to identify all instances where sequelize is used and verify that proper input sanitization practices are implemented. The remediation process should include implementing parameterized queries, validating all user inputs, and ensuring that database connections use least privilege principles. Additionally, organizations should consider implementing web application firewalls and runtime application self-protection mechanisms to detect and prevent exploitation attempts. This vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol usage and T1046 for network service discovery, making it a critical target for both defensive and offensive security operations. The incident underscores the importance of maintaining up-to-date dependencies and implementing robust security testing practices in modern application development pipelines.