CVE-2017-16046 in MariaDB
Summary
by MITRE
`mariadb` was a malicious module published with the intent to hijack environment variables. It has been unpublished by npm.
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Analysis
by VulDB Data Team • 02/14/2020
The vulnerability identified as CVE-2017-16046 represents a sophisticated supply chain attack targeting the npm ecosystem through a malicious package named mariadb. This malicious module was designed to exploit the trust model inherent in npm package management by masquerading as a legitimate database driver. The package appeared to be a legitimate mariadb client implementation but contained malicious code intended to compromise the environment variables of systems where it was installed. The attack leveraged the widespread use of npm packages and the implicit trust developers place in published modules to gain unauthorized access to sensitive system information.
The technical flaw exploited in this vulnerability resides in the package distribution and installation mechanism of npm. When developers installed the malicious mariadb package, it would execute code that attempted to hijack and exfiltrate environment variables from the system. This type of attack falls under the category of malicious package injection and demonstrates how attackers can compromise the software supply chain by publishing harmful code under seemingly legitimate package names. The vulnerability specifically targeted the execution environment of Node.js applications and could potentially expose sensitive information such as API keys, database credentials, and other confidential environment variables that are typically stored in system environment variables.
The operational impact of this vulnerability extends beyond simple information disclosure, as it represents a fundamental breach of trust in the package management ecosystem. Systems compromised by this malicious package could experience unauthorized access to sensitive data, potential credential theft, and exposure of internal system configurations. The attack could affect any Node.js application that installed the malicious package, potentially leading to broader security incidents if the stolen environment variables contained authentication tokens or other sensitive information. This vulnerability underscores the critical importance of package integrity verification and the risks associated with trusting third-party code without proper security validation.
The attack pattern aligns with several cybersecurity frameworks and threat models, including those described in the Common Weakness Enumeration (CWE) catalog under CWE-494 and CWE-502 categories, which address the risks of importing and executing untrusted code. From the MITRE ATT&CK framework perspective, this vulnerability maps to techniques involving legitimate credentials, privilege escalation, and supply chain compromise. The incident highlights the necessity of implementing robust package verification processes, including checksum validation, code review of dependencies, and monitoring for suspicious package activity. Organizations should adopt security practices such as using private package registries, implementing package signature verification, and establishing automated security scanning for all dependencies to prevent similar supply chain attacks from compromising their systems. The removal of this package from npm demonstrates the importance of rapid response mechanisms in the software supply chain security ecosystem.