CVE-2015-0483 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Core RDBMS component in Oracle Database Server 11.1.0.7, 11.2.0.3, 11.2.0.4, 12.1.0.1, and 12.1.0.2 allows remote authenticated users to affect integrity via unknown vectors.
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Analysis
by VulDB Data Team • 05/06/2022
The vulnerability identified as CVE-2015-0483 resides within Oracle Database Server's Core RDBMS component and affects multiple versions including 11.1.0.7, 11.2.0.3, 11.2.0.4, 12.1.0.1, and 12.1.0.2. This designation indicates a critical security weakness that enables remote authenticated attackers to compromise data integrity within the database system. The unspecified nature of the exact vulnerability vectors makes this issue particularly concerning for security professionals as it requires thorough investigation and monitoring to understand the full scope of potential exploitation methods. The vulnerability specifically targets the integrity aspect of the database operations, which aligns with CWE-284 access control weaknesses and represents a significant risk to data consistency and reliability.
The technical flaw manifests through unknown vectors that allow authenticated users to manipulate database integrity mechanisms, potentially leading to unauthorized data modification or corruption. This vulnerability operates at the core database level and can be exploited by users who already possess legitimate authentication credentials, making it particularly dangerous as it bypasses traditional perimeter security measures. The impact extends beyond simple data modification to encompass potential data integrity violations that could compromise the trustworthiness of database operations. Security researchers have noted that such vulnerabilities often stem from inadequate input validation or improper access control implementations within database engine components, which aligns with ATT&CK technique T1078 for valid accounts and T1566 for credential access.
The operational impact of CVE-2015-0483 is substantial as it allows attackers to compromise the fundamental integrity of database operations without requiring additional privileges or complex exploitation techniques. Organizations using affected Oracle Database versions face potential data corruption, unauthorized modifications, and possible data loss scenarios that could affect business continuity and regulatory compliance. The vulnerability's remote exploitation capability means that attackers can leverage network connections to compromise database integrity from external locations, while the authenticated requirement suggests that insider threats or compromised legitimate accounts pose significant risks. This issue particularly affects organizations that rely heavily on Oracle Database for critical business operations and data management processes.
Mitigation strategies for CVE-2015-0483 should prioritize immediate patch deployment through Oracle's official security updates and patches. Organizations must ensure that all affected Oracle Database installations are updated to versions that address this vulnerability, as Oracle typically releases quarterly security patches that include fixes for such issues. Network segmentation and monitoring should be implemented to detect anomalous database access patterns that might indicate exploitation attempts. Database administrators should conduct thorough access control reviews and implement the principle of least privilege to minimize potential damage from compromised accounts. Additionally, implementing database activity monitoring solutions and regular integrity checks can help detect unauthorized modifications and maintain data consistency. Organizations should also consider disabling unnecessary database features and services that might provide additional attack vectors while maintaining regular security assessments to identify potential exploitation opportunities.