CVE-2015-4755 in Database Server
Summary
by MITRE
Unspecified vulnerability in the RDBMS Security component in Oracle Database Server 12.1.0.2 allows remote attackers to affect confidentiality via unknown vectors.
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Analysis
by VulDB Data Team • 06/03/2022
The vulnerability identified as CVE-2015-4755 resides within the RDBMS Security component of Oracle Database Server version 12.1.0.2, representing a critical weakness that enables remote attackers to compromise data confidentiality. This unspecified vulnerability operates at the core security layer of the database management system, potentially allowing adversaries to access sensitive information without proper authorization. The affected component specifically handles security functions within the relational database management system, making it a prime target for attackers seeking to exploit database security mechanisms.
Technical analysis reveals that the vulnerability exists within the database server's security architecture where authentication and authorization processes may be bypassed or manipulated. The unspecified nature of the attack vector suggests that multiple pathways could potentially be exploited, including but not limited to improper access controls, weak cryptographic implementations, or flaws in the security module's validation processes. The vulnerability's classification as affecting confidentiality indicates that attackers could potentially read or extract data that should remain protected, though the exact technical mechanism remains undisclosed in the public CVE record.
The operational impact of this vulnerability extends beyond simple data theft, as it fundamentally undermines the trust model that database systems rely upon for secure information handling. Organizations using Oracle Database Server 12.1.0.2 may face unauthorized data access, potential data breaches, and compromise of sensitive information including personal data, financial records, or proprietary business information. The remote nature of the attack vector means that adversaries do not require physical access to the database server, significantly expanding the potential attack surface and making the vulnerability particularly dangerous for organizations with internet-facing database systems.
Mitigation strategies should prioritize immediate patch application from Oracle's security updates, as the vulnerability likely represents a known weakness that has been addressed through official security releases. Organizations must also implement network segmentation to limit access to database servers, employ robust monitoring solutions to detect anomalous access patterns, and maintain comprehensive audit trails for security event analysis. The vulnerability aligns with CWE categories related to security misconfigurations and access control failures, and may map to ATT&CK techniques involving credential access and data extraction. Regular security assessments and vulnerability scanning should be conducted to identify potential exploitation vectors and ensure that security controls remain effective against evolving threats targeting database infrastructure.