CVE-2017-3312 in MySQL Server
Summary
by MITRE
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Packaging). Supported versions that are affected are 5.5.53 and earlier, 5.6.34 and earlier and 5.7.16 and earlier. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS v3.0 Base Score 6.7 (Confidentiality, Integrity and Availability impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2017-3312 represents a significant security flaw within Oracle MySQL Server's packaging component that affects multiple version streams including 5.5.53 and earlier, 5.6.34 and earlier, and 5.7.16 and earlier releases. This issue falls under the Common Weakness Enumeration category CWE-284 which specifically addresses improper access control, making it a critical concern for database security administrators. The vulnerability exists in the server packaging subsystem, which is responsible for the installation and configuration processes that govern how MySQL operates within various infrastructure environments.
The technical nature of this vulnerability stems from insufficient access controls during the packaging and installation phases of MySQL Server deployment. Attackers with low-privileged access to the infrastructure hosting MySQL Server can exploit this weakness to gain unauthorized control over the database service. The complexity of exploitation requires human interaction from individuals other than the attacker, suggesting that the vulnerability may be triggered through social engineering or by leveraging existing user privileges within the system. This requirement for human interaction places the vulnerability in the category of attack vectors that are difficult to exploit automatically, yet remain highly dangerous when successfully executed.
The operational impact of CVE-2017-3312 is severe and potentially catastrophic for organizations relying on MySQL Server for critical data operations. A successful compromise of the MySQL Server through this vulnerability could result in complete takeover of the database service, providing attackers with unrestricted access to sensitive information stored within the database. The CVSS v3.0 base score of 6.7 indicates a medium to high severity level that affects all three core security principles: confidentiality, integrity, and availability. This means that attackers could potentially read confidential data, modify or corrupt database contents, and disrupt database availability through various attack vectors including denial of service or data manipulation.
Organizations affected by this vulnerability should prioritize immediate remediation through official Oracle patches and updates for all supported MySQL versions. The mitigation strategy should include comprehensive system hardening measures, including network segmentation to limit access to MySQL infrastructure, implementation of robust access control policies, and regular security assessments of database environments. Additionally, organizations should consider implementing monitoring solutions specifically designed to detect anomalous behavior patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of maintaining up-to-date security patches across all database components and highlights the need for continuous security awareness training to prevent social engineering attacks that could facilitate exploitation. This issue aligns with ATT&CK technique T1068 which covers local privilege escalation and represents a critical gap in the security posture of MySQL installations that require immediate attention from cybersecurity teams responsible for database security management.