CVE-2015-0374 in MySQL Server
Summary
by MITRE
Unspecified vulnerability in Oracle MySQL Server 5.5.40 and earlier and 5.6.21 and earlier allows remote authenticated users to affect confidentiality via unknown vectors related to Server : Security : Privileges : Foreign Key.
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Analysis
by VulDB Data Team • 03/05/2022
The vulnerability identified as CVE-2015-0374 represents a security flaw within Oracle MySQL Server that affects versions 5.5.40 and earlier, as well as 5.6.21 and earlier. This issue resides within the server's security framework specifically concerning privilege management and foreign key relationships, creating potential exposure points for authenticated remote attackers. The unspecified nature of the exact attack vectors makes this vulnerability particularly concerning as it could potentially enable unauthorized data access or information disclosure without clear delineation of the precise mechanism.
This vulnerability falls under the broader category of privilege escalation and access control weaknesses, which aligns with CWE-284 - Improper Access Control and CWE-310 - Cryptographic Issues. The flaw specifically impacts the server's handling of foreign key constraints and privilege management, suggesting that attackers with legitimate authentication credentials could potentially exploit this weakness to gain additional access rights or compromise data confidentiality. The security implications extend beyond simple data theft to potentially enabling more sophisticated attacks through privilege abuse.
The operational impact of CVE-2015-0374 is significant for organizations utilizing affected MySQL versions, as it creates a potential attack surface for authenticated users to compromise system integrity. Remote authenticated attackers could leverage this vulnerability to access sensitive data or manipulate database structures through foreign key relationships, potentially leading to data corruption, unauthorized access to confidential information, or privilege escalation within the database environment. This vulnerability undermines the fundamental security assumptions of proper access control and privilege enforcement mechanisms.
Organizations should immediately implement mitigation strategies including upgrading to patched versions of Oracle MySQL Server, as the vulnerability affects multiple major releases and requires comprehensive patch management. System administrators should also implement additional monitoring and access controls to detect potential exploitation attempts. The remediation process should include thorough vulnerability scanning, patch verification, and rollback procedures to ensure database stability while addressing the security weakness. Security teams should also conduct comprehensive risk assessments to identify any potential unauthorized access that may have occurred before the patch deployment.