CVE-2012-3197 in MySQL Server
Summary
by MITRE
unspecified vulnerability in the mysql server component in oracle mysql 5.1.64 and earlier and 5.5.26 and earlier allows remote authenticated users to affect availability via unknown vectors related to server replication.
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Analysis
by VulDB Data Team • 04/18/2021
The vulnerability identified as CVE-2012-3197 resides within Oracle MySQL server components affecting versions 5.1.64 and earlier, as well as 5.5.26 and earlier. This issue specifically targets the server replication functionality, representing a significant concern for database administrators and security professionals managing MySQL environments. The vulnerability classification as unspecified indicates that the exact technical mechanism remains partially obscured, though its impact on system availability is clearly documented.
The technical flaw manifests through unknown vectors related to server replication processes, suggesting that authenticated remote attackers can exploit this weakness to compromise system availability. This type of vulnerability falls under the category of availability attacks, where the primary objective is to disrupt normal service operations rather than to gain unauthorized access or extract data. The replication mechanism in MySQL serves as a critical component for maintaining data consistency across multiple database servers, making any vulnerability in this area particularly dangerous for distributed database architectures.
From an operational impact perspective, this vulnerability poses substantial risks to database environments that rely on replication for high availability and disaster recovery. When exploited, the vulnerability can cause denial of service conditions that may result in complete system unavailability or partial service degradation. Organizations utilizing MySQL replication for mission-critical applications face potential business disruptions, data access limitations, and increased operational overhead as they work to maintain service continuity during and after exploitation attempts.
The security implications extend beyond simple availability concerns, as this vulnerability represents a potential entry point for more sophisticated attacks. Attackers could leverage the availability disruption to create conditions that facilitate additional exploitation attempts or to mask other malicious activities within the network. This type of vulnerability aligns with attack patterns documented in the MITRE ATT&CK framework under the availability impact category, where adversaries seek to disrupt services and compromise system reliability. Organizations should consider this vulnerability in their broader threat modeling exercises, particularly when evaluating risk exposure in database environments that utilize MySQL replication features.
Mitigation strategies should include immediate patch application for affected MySQL versions, implementing network segmentation to limit access to replication ports, and establishing robust monitoring for unusual replication behavior. Database administrators should also consider implementing additional redundancy measures and ensuring that backup and recovery procedures are tested and readily available. The vulnerability highlights the importance of maintaining up-to-date database software and following security best practices for replication configurations, as outlined in various industry standards including those referenced in CWE catalog entries for replication-related security flaws. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar issues before they can be exploited by malicious actors.