CVE-2012-0534 in Database Server
Summary
by MITRE
Unspecified vulnerability in the RDBMS Core component in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.2, and 11.2.0.3 allows remote authenticated users to affect integrity via unknown vectors related to Create Session.
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Analysis
by VulDB Data Team • 03/23/2021
The vulnerability identified as CVE-2012-0534 resides within Oracle Database Server's RDBMS Core component, affecting multiple versions including 10.2.0.3 through 10.2.0.5 and 11.1.0.7 through 11.2.0.3. This issue represents a significant security weakness that enables remote authenticated attackers to compromise database integrity through unspecified vectors connected to the Create Session functionality. The vulnerability's classification as unspecified means that the exact technical mechanism remains undisclosed, though the impact on database integrity is clearly established. The affected versions span a critical range of Oracle database releases, indicating this flaw has persisted across multiple major versions and likely represents a fundamental architectural issue within the session management subsystem. This vulnerability specifically targets authenticated users who can establish database connections, making it particularly concerning as it does not require privileged access to exploit.
The technical flaw manifests through the Create Session mechanism within Oracle's RDBMS Core, where authenticated users can manipulate session creation processes to potentially alter database integrity. This represents a critical weakness in Oracle's authentication and session management protocols, as the vulnerability allows attackers to exploit legitimate session establishment procedures to undermine data consistency and integrity. The unspecified nature of the attack vectors suggests that the flaw could be leveraged through multiple pathways within the session creation and management processes, potentially affecting transaction handling, data modification operations, or session-level security controls. The fact that this vulnerability operates through authenticated access means that attackers must first establish legitimate credentials, but once achieved, they can leverage the session creation functionality to compromise database integrity. This aligns with common attack patterns where legitimate access is used to escalate privileges or manipulate underlying database operations, often categorized under attack techniques such as privilege escalation or data manipulation within the MITRE ATT&CK framework.
The operational impact of CVE-2012-0534 extends beyond simple data corruption, as integrity compromise can lead to cascading effects throughout database operations and enterprise systems that depend on Oracle Database reliability. Organizations using affected versions face potential data manipulation, unauthorized modifications to database structures, and possible disruption of business-critical applications that rely on data integrity guarantees. The vulnerability's ability to affect multiple versions simultaneously indicates a widespread issue that would require extensive patching efforts across different database deployments, potentially affecting large enterprise environments with complex database infrastructures. Database administrators and security teams must consider the implications of this vulnerability on audit trails, transaction logs, and overall database consistency, as compromised integrity can make forensic analysis and compliance verification extremely difficult. The remote nature of the attack vector means that exploitation can occur from external network locations, making traditional network perimeter security measures insufficient to prevent this particular class of attack.
Mitigation strategies for CVE-2012-0534 should focus on immediate patch application to affected Oracle Database versions, with comprehensive testing to ensure compatibility with existing database applications and configurations. Organizations must implement robust access control measures, including regular review of database user privileges and monitoring of session creation activities to detect anomalous behavior. Network segmentation and firewall rules should be reinforced to limit access to database systems to only necessary administrative and application hosts. Security monitoring should include specific alerts for unusual session creation patterns and potential integrity violations within database transactions. The vulnerability's nature suggests that implementing additional authentication layers or database-specific security controls may provide additional defense-in-depth measures. Organizations should also conduct thorough vulnerability assessments to identify any potential exploitation attempts and establish incident response procedures specifically addressing database integrity compromise scenarios. Compliance requirements and audit processes should be reviewed to ensure that the vulnerability does not create gaps in regulatory compliance or data protection standards, as the integrity compromise could potentially violate various security frameworks and industry standards including those related to data governance and access control.