CVE-2016-0652 in MySQL Server
Summary
by MITRE
Unspecified vulnerability in Oracle MySQL 5.7.10 and earlier allows local users to affect availability via vectors related to DML.
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Analysis
by VulDB Data Team • 07/26/2022
The vulnerability identified as CVE-2016-0652 represents a significant security flaw within Oracle MySQL database systems affecting versions 5.7.10 and earlier. This unspecified vulnerability specifically targets the database management system's handling of Data Manipulation Language operations, creating potential risks for system availability and operational integrity. The issue manifests as a local privilege escalation vector that could be exploited by attackers with access to the system to disrupt database services and compromise overall system stability.
This vulnerability falls under the category of availability impact, where malicious actors can manipulate DML operations to cause system disruptions. The technical nature of the flaw suggests it operates at the database engine level, potentially affecting core functions such as INSERT, UPDATE, DELETE, and other data manipulation commands. The local nature of the vulnerability indicates that exploitation requires prior access to the system, though the impact can be severe enough to affect database availability and potentially lead to broader system compromise. The vulnerability's classification aligns with CWE-119 which deals with memory corruption vulnerabilities, and may also relate to CWE-399 concerning resource management errors that could lead to denial of service conditions.
The operational impact of CVE-2016-0652 extends beyond simple service disruption as it can potentially allow attackers to cause database crashes, data corruption, or complete service unavailability. When local users can manipulate DML operations to affect availability, this creates a serious risk for database administrators who must maintain consistent service availability for business operations. The vulnerability could enable attackers to perform denial of service attacks against database systems, potentially affecting critical business applications that depend on MySQL for data storage and retrieval. This type of vulnerability directly impacts the CIA triad by compromising availability and can create cascading effects throughout enterprise systems that rely on database connectivity for operations.
Organizations should implement immediate mitigations including upgrading to MySQL versions that address this vulnerability, which would typically involve patching to versions released after the vulnerability disclosure. System administrators should also consider implementing additional monitoring for unusual DML operations and establishing more robust access controls to limit local user privileges. The ATT&CK framework would categorize this vulnerability under the T1068 technique for 'Exploitation for Privilege Escalation' and potentially T1499 for 'Endpoint Denial of Service' as it directly affects system availability through database manipulation. Regular security assessments and vulnerability scanning should be conducted to identify similar issues within database environments, while implementing proper database hardening practices to reduce the attack surface and prevent exploitation of such local privilege escalation vulnerabilities.