CVE-2012-0496 in MySQL Server
Summary
by MITRE
Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.5.x allows remote authenticated users to affect confidentiality and integrity via unknown vectors.
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Analysis
by VulDB Data Team • 01/12/2025
The vulnerability identified as CVE-2012-0496 represents a significant security weakness within Oracle MySQL Server version 5.5.x series that exposes the system to remote authenticated attackers. This unspecified flaw resides within the core MySQL Server component and demonstrates the inherent risks associated with database management systems that handle sensitive information. The vulnerability's classification as unspecified indicates that the exact technical details were not fully disclosed at the time of reporting, which is common with certain types of security flaws that may involve multiple attack vectors or complex interactions within the database engine. The fact that this vulnerability affects both confidentiality and integrity aspects of the system underscores its potential impact on data protection mechanisms and the overall security posture of MySQL implementations.
The technical nature of this vulnerability stems from the MySQL Server's handling of authenticated connections, suggesting that attackers must first establish valid credentials to exploit the weakness. This authentication requirement places the vulnerability in the context of privilege escalation or lateral movement attacks where compromised credentials could be leveraged to access or modify sensitive data. The unspecified vector nature indicates that the flaw could manifest through various pathways within the server's processing logic, potentially involving memory management issues, input validation failures, or protocol handling inconsistencies. From a cybersecurity perspective, this vulnerability aligns with common attack patterns where database servers become primary targets due to their access to critical organizational data and the potential for widespread impact when compromised.
The operational impact of CVE-2012-0496 extends beyond simple data exposure, as the compromise of both confidentiality and integrity creates multiple attack surfaces for malicious actors. When confidentiality is affected, unauthorized access to sensitive database information becomes possible, potentially exposing personal data, financial records, or proprietary business information. Integrity compromise allows attackers to modify or corrupt database contents, which can lead to data manipulation, system instability, or the introduction of malicious data that could affect downstream applications. This dual impact makes the vulnerability particularly dangerous in enterprise environments where MySQL servers often manage critical business data and support essential operational processes. The vulnerability's remote nature means that attackers can exploit it from outside the local network, increasing the attack surface and reducing the effectiveness of traditional network security controls.
Organizations affected by this vulnerability should implement immediate mitigation strategies including applying the latest security patches from Oracle, which typically address the underlying technical flaws in the MySQL Server implementation. Network segmentation and access controls should be strengthened to limit the potential impact of credential compromise, while monitoring systems should be enhanced to detect unusual database activities that might indicate exploitation attempts. The vulnerability's characteristics align with attack techniques documented in the mitre ATT&CK framework under database attack patterns, particularly those involving credential access and data manipulation. Security teams should conduct thorough vulnerability assessments to identify all instances of affected MySQL 5.5.x installations and ensure comprehensive patch management processes are in place to prevent similar issues in the future. Additionally, implementing database activity monitoring and audit logging can provide early detection capabilities for exploitation attempts and help maintain compliance with industry standards such as those outlined in the CWE catalog for database security weaknesses.