CVE-2012-3147 in MySQL Server
Summary
by MITRE
Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.5.26 and earlier allows remote attackers to affect integrity and availability, related to MySQL Client.
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Analysis
by VulDB Data Team • 04/18/2021
The vulnerability identified as CVE-2012-3147 represents a significant security flaw within Oracle MySQL Server versions 5.5.26 and earlier, specifically affecting the MySQL Client component. This unspecified vulnerability creates a potential attack vector that remote adversaries can exploit to compromise both data integrity and system availability. The affected MySQL Client component serves as a critical interface for database interactions, making this vulnerability particularly dangerous for environments where remote database access is common. The unspecified nature of the vulnerability description suggests that the exact technical mechanism remains undisclosed, which is typical for vulnerabilities that have not been fully detailed in public reports. Such undisclosed specifics often indicate the complexity and severity of the underlying flaw, which could involve buffer overflows, injection vulnerabilities, or authentication bypass mechanisms that affect client-server communication protocols.
The technical implications of this vulnerability extend beyond simple data corruption, as it can potentially allow attackers to manipulate database operations and disrupt service availability. When considering the broader attack surface, this flaw affects not only the database integrity but also creates opportunities for denial of service attacks that could render database systems inaccessible to legitimate users. The vulnerability's impact on the MySQL Client component means that any application or service relying on client-server database communication could be compromised. Attackers exploiting this vulnerability might be able to inject malicious commands, modify database records, or prevent legitimate database operations from completing successfully. The distributed nature of database environments makes this particularly concerning, as a single compromised client connection could potentially affect multiple database operations across various applications.
From an operational perspective, organizations running affected MySQL Server versions face substantial risk exposure, particularly in environments where remote database access is prevalent. The vulnerability creates a pathway for attackers to potentially escalate privileges or gain unauthorized access to sensitive data stored within MySQL databases. System administrators must consider that this vulnerability could be exploited as part of broader attack campaigns targeting database infrastructure, potentially leading to data breaches or service disruption. The availability impact of this vulnerability means that database systems could become unresponsive or fail entirely, affecting business continuity and operational efficiency. Organizations with extensive MySQL deployments, especially those handling critical data or supporting high-availability applications, face increased risk of service interruptions and potential data compromise. The remote exploitation capability means that attackers do not require physical access to the database servers, making the vulnerability particularly dangerous for cloud-based deployments or distributed database environments.
The mitigation strategies for CVE-2012-3147 should prioritize immediate patching of affected MySQL Server installations to the latest available versions that contain fixes for this vulnerability. Organizations should implement network segmentation and access controls to limit remote database access points, reducing the attack surface available to potential adversaries. Regular security assessments and vulnerability scanning should be conducted to identify any remaining instances of affected software within the organization's infrastructure. Monitoring network traffic for suspicious database activity and implementing intrusion detection systems can help identify exploitation attempts. The vulnerability aligns with common attack patterns documented in the attack techniques framework, particularly those related to database exploitation and privilege escalation. Organizations should also consider implementing database activity monitoring solutions that can detect anomalous behavior patterns indicative of exploitation attempts. Compliance with security standards such as those outlined in the CWE database, specifically those related to database security and client-side vulnerabilities, should guide the implementation of mitigation measures. The remediation process should include thorough testing of patched systems to ensure that database functionality remains intact while addressing the identified security flaw.