CVE-2014-2419 in MySQL Server
Summary
by MITRE
Unspecified vulnerability in Oracle MySQL Server 5.5.35 and earlier and 5.6.15 and earlier allows remote authenticated users to affect availability via unknown vectors related to Partition.
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Analysis
by VulDB Data Team • 05/11/2026
The vulnerability identified as CVE-2014-2419 represents a critical availability issue within Oracle MySQL Server versions 5.5.35 and earlier, as well as 5.6.15 and earlier, specifically impacting systems utilizing partitioned tables. This vulnerability affects authenticated remote attackers who can exploit it to disrupt service availability, making it particularly dangerous in production environments where database uptime is critical. The unspecified nature of the exact vector makes this vulnerability particularly challenging to assess and defend against, as security teams cannot immediately determine the precise attack surface or methods that could be leveraged.
The technical flaw resides within MySQL's partitioning mechanism, which is a database feature designed to split large tables into smaller, more manageable pieces. When dealing with partitioned tables, MySQL maintains metadata about these partitions and their relationships to ensure proper data retrieval and management. The vulnerability occurs during the processing of certain partition-related operations, potentially leading to resource exhaustion, memory corruption, or thread termination that ultimately results in service disruption. This issue falls under the broader category of partitioning flaws that can be classified as CWE-121, which deals with stack-based buffer overflows, though the specific manifestation in this case appears to be more related to resource management and availability rather than direct code execution.
The operational impact of this vulnerability extends beyond simple service disruption, as it can potentially lead to complete database unavailability for extended periods. Attackers with valid credentials can exploit this weakness to cause denial of service conditions that may require manual intervention to restore normal operations. The attack vector requires authentication, which limits the scope to insiders or compromised accounts, but this still represents a significant risk in environments where credential security is not properly enforced. Organizations running affected MySQL versions face potential downtime costs, data access interruptions, and possible customer impact depending on their service level agreements and operational requirements.
Mitigation strategies for CVE-2014-2419 should focus on immediate patching of affected MySQL installations, as Oracle released updates addressing this specific vulnerability. Organizations should also implement network segmentation to limit access to database servers, enforce strict authentication controls, and monitor for unusual partition-related activities that might indicate exploitation attempts. Additionally, implementing database activity monitoring solutions and maintaining regular backup procedures can help minimize the impact of such availability attacks. The vulnerability aligns with ATT&CK technique T1499.004, which covers "Toggle System/Network Monitoring" and "Resource Hijacking," as the exploitation effectively consumes system resources and disrupts normal operations. Organizations should also consider implementing database firewalls and access control lists to limit the potential attack surface and reduce the risk of exploitation through compromised accounts or insider threats.