CVE-2017-10384 in MySQL Server
Summary
by MITRE
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: DDL). Supported versions that are affected are 5.5.57 and earlier 5.6.37 and earlier 5.7.19 and earlier. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 01/18/2021
The vulnerability identified as CVE-2017-10384 resides within the MySQL Server component, specifically within the Server: DDL subcomponent, representing a significant security weakness that affects multiple version lines of Oracle MySQL. This flaw manifests in the database server's handling of data definition language operations, which are fundamental to database schema management and structure modification. The vulnerability impacts MySQL versions 5.5.57 and earlier, 5.6.37 and earlier, and 5.7.19 and earlier, indicating a broad scope of affected systems across the MySQL product line. The vulnerability's classification as easily exploitable suggests that attackers with minimal privileges and network access can leverage this weakness effectively, making it particularly dangerous in production environments where database availability is critical.
The technical nature of this vulnerability involves a flaw in how MySQL processes certain DDL operations, leading to potential system instability and denial of service conditions. When exploited, the vulnerability allows an attacker with low privileges to cause the MySQL server to hang or repeatedly crash, effectively rendering the database service unavailable to legitimate users and applications. This type of vulnerability directly impacts the availability aspect of the CIA triad, as demonstrated by the CVSS 3.0 Base Score of 6.5 with a high availability impact rating. The attack vector requires only network access via multiple protocols, making it accessible through various connection methods including TCP/IP, Unix sockets, or named pipes depending on the system configuration.
The operational impact of CVE-2017-10384 extends beyond simple service disruption, as the complete denial of service condition can result in significant business interruptions and data access problems for organizations relying on MySQL databases. The vulnerability's ability to cause frequent crashes means that systems may experience repeated service outages, potentially leading to extended downtime and recovery operations that can impact business continuity. Organizations using affected MySQL versions face the risk of unauthorized compromise of their database services, with the potential for cascading effects throughout their IT infrastructure where database availability is a prerequisite for application functionality. This vulnerability particularly affects environments where database servers are accessible over networks and where privilege escalation or access control mechanisms may not be sufficiently robust to prevent exploitation.
Mitigation strategies for CVE-2017-10384 should prioritize immediate patching of affected MySQL versions to the latest available releases that contain fixes for this specific vulnerability. Organizations should implement network segmentation and access controls to limit exposure of MySQL servers to untrusted networks, reducing the attack surface available to potential exploiters. The implementation of robust monitoring and alerting systems can help detect unusual patterns of database crashes or service disruptions that may indicate exploitation attempts. Additionally, regular security assessments and vulnerability scanning should be conducted to identify any other potentially affected systems or components within the database infrastructure. According to CWE standards, this vulnerability aligns with CWE-119 which addresses weak buffer access in database systems, and aligns with ATT&CK techniques related to privilege escalation and denial of service through database service manipulation. Network administrators should also consider implementing firewall rules and access control lists to restrict MySQL server ports to trusted IP addresses only, reducing the likelihood of unauthorized access attempts.