CVE-2012-0511 in Database Server
Summary
by MITRE
Unspecified vulnerability in the OCI component in Oracle Database Server 10.2.0.3, 10.2.0.4, and 11.1.0.7 allows remote attackers to affect confidentiality and integrity via unknown vectors.
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Analysis
by VulDB Data Team • 03/23/2021
The vulnerability identified as CVE-2012-0511 resides within the Oracle Database Server's OCI (Oracle Call Interface) component, affecting versions 10.2.0.3, 10.2.0.4, and 11.1.0.7. This unspecified flaw represents a critical security weakness that could potentially compromise the confidentiality and integrity of database operations. The OCI component serves as a critical interface layer that enables applications to communicate with Oracle Database systems, making it a prime target for exploitation by malicious actors seeking unauthorized access to sensitive data.
The technical nature of this vulnerability stems from the Oracle Call Interface's handling of certain data processing operations that may not properly validate input parameters or maintain appropriate security boundaries. As a component within the broader Oracle Database ecosystem, the OCI interface is responsible for managing client-server communications and database transactions, creating potential attack surfaces where malicious input could trigger unexpected behavior. The unspecified nature of the vulnerability vectors suggests that the flaw may manifest through multiple pathways including improper memory handling, inadequate authentication checks, or flawed data validation routines that could lead to data corruption or unauthorized data access.
From an operational perspective, this vulnerability poses significant risks to organizations relying on Oracle Database Server implementations. Remote attackers who successfully exploit this weakness could potentially access sensitive corporate data, modify database records, or disrupt database operations entirely. The impact extends beyond simple data breaches as the compromise of database integrity could lead to cascading failures in business processes that depend on accurate and reliable data. Organizations with databases containing financial records, customer information, or proprietary business data face particularly severe consequences, as the vulnerability could enable unauthorized modifications to critical database entries that maintain business continuity and regulatory compliance.
Security professionals should consider this vulnerability in relation to established frameworks such as CWE-119 which addresses memory safety issues, and ATT&CK techniques involving data manipulation and credential access. The vulnerability's classification as remote and affecting confidentiality and integrity aligns with threat actor methodologies that target database systems for data exfiltration and manipulation. Organizations should prioritize immediate patching of affected systems, implement network segmentation to limit access to database servers, and establish robust monitoring protocols to detect potential exploitation attempts. Additionally, security controls should include database activity monitoring, privileged account protection, and regular vulnerability assessments to identify similar weaknesses in database configurations and application interfaces that may present additional attack vectors.
The remediation approach must include comprehensive system updates to the latest Oracle Database patches, along with thorough testing to ensure that security updates do not disrupt existing database operations. Network administrators should implement strict access controls and firewall rules that limit database server exposure to trusted networks only, while security teams should maintain detailed logging and alerting mechanisms to detect unauthorized database access attempts. Regular security assessments and penetration testing of database environments remain essential to identifying and addressing similar vulnerabilities that may exist in other database components or related applications that interface with Oracle Database systems.