CVE-2006-0258 in Database server
Summary
by MITRE
Unspecified vulnerability in the Connection Manager component of Oracle Database server 8.1.7.4 and 9.0.1.5 has unspecified impact and attack vectors, as identified by Oracle Vuln# DB03.
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Analysis
by VulDB Data Team • 06/22/2025
The vulnerability identified as CVE-2006-0258 affects the Connection Manager component within Oracle Database server versions 8.1.7.4 and 9.0.1.5. This component serves as a network connection management tool that facilitates communication between client applications and database servers, operating as a middleware layer that handles connection pooling and routing. The unspecified nature of the vulnerability details indicates that Oracle classified this issue with limited public disclosure initially, suggesting potential severity that required careful handling. Connection Manager acts as a critical intermediary in database architecture, making any vulnerability in this component particularly concerning for enterprise environments where database connectivity is fundamental to business operations.
The technical flaw resides within the Connection Manager's handling of network connections and potentially in its input validation or memory management processes. As a middleware component, Connection Manager processes connection requests from clients and manages the underlying database connections, making it a prime target for attackers seeking to disrupt database services or gain unauthorized access. The unspecified attack vectors suggest that the vulnerability could potentially manifest through various means including network-based attacks, malformed connection requests, or privilege escalation scenarios. This type of vulnerability in connection management components often relates to buffer overflows, improper input validation, or authentication bypass mechanisms that could allow unauthorized users to manipulate connection parameters or gain elevated privileges within the database environment.
The operational impact of this vulnerability extends beyond simple service disruption, potentially affecting database availability, data integrity, and overall system security posture. Organizations relying on Oracle Database 8.1.7.4 and 9.0.1.5 versions could experience unauthorized access to database resources, connection manipulation, or denial of service conditions that would impact business continuity. The Connection Manager component's role in managing database connections means that exploitation could affect multiple concurrent users or applications simultaneously, creating cascading failures throughout the enterprise infrastructure. Security teams would need to assess the potential for privilege escalation, data exfiltration, or service disruption across their database environments, particularly in scenarios where multiple applications depend on the same connection manager instance.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected Oracle Database versions, as Oracle would have released specific security updates addressing the identified flaw. Organizations should implement network segmentation to limit access to Connection Manager components, restrict administrative privileges, and monitor network traffic for suspicious connection patterns or unauthorized access attempts. The vulnerability's classification as a database component issue aligns with CWE-20 (Improper Input Validation) and potentially CWE-121 (Stack-based Buffer Overflow) categories, while the attack surface maps to ATT&CK techniques involving privilege escalation and service disruption. Regular security assessments of database middleware components, implementation of network monitoring solutions, and maintaining updated vulnerability databases would help prevent exploitation of similar vulnerabilities in the future. Organizations should also consider implementing database activity monitoring and access control measures to detect anomalous connection behavior that might indicate exploitation attempts.