CVE-2009-1995 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Advanced Queuing component in Oracle Database 10.2.0.4 and 11.1.0.7 allows remote authenticated users to affect confidentiality and integrity, related to SYS.DBMS_AQ_INV.
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Analysis
by VulDB Data Team • 02/06/2025
The vulnerability identified as CVE-2009-1995 resides within Oracle Database's Advanced Queuing component, specifically affecting versions 10.2.0.4 and 11.1.0.7. This issue manifests through the SYS.DBMS_AQ_INV package, which represents a critical weakness in Oracle's database security architecture. The unspecified nature of the vulnerability indicates that the exact technical flaw remains undisclosed, but its classification suggests a significant security gap that could be exploited by authenticated attackers. The Advanced Queuing functionality is designed to manage message queuing and processing within Oracle Database environments, making it a crucial component for enterprise data flow management. The vulnerability's presence in the SYS schema indicates that it operates at a privileged level within the database, potentially allowing attackers with minimal privileges to escalate their access and compromise sensitive data flows.
The technical flaw within the DBMS_AQ_INV package represents a security weakness that enables authenticated users to manipulate database operations in ways that compromise both confidentiality and integrity. This dual impact suggests that the vulnerability allows attackers to not only access sensitive information but also modify or corrupt data within the queuing system. The Advanced Queuing component typically handles message processing, delivery, and management functions that are essential for database communication and transaction processing. When such a vulnerability exists in the core queuing infrastructure, it can potentially disrupt the entire data flow mechanism and provide attackers with opportunities to intercept, modify, or manipulate queued messages. The fact that this vulnerability affects authenticated users indicates that it operates within the legitimate database access framework, making it particularly dangerous as it can be exploited by insiders or compromised accounts with legitimate access rights.
The operational impact of CVE-2009-1995 extends beyond simple data compromise, affecting the fundamental trustworthiness of database operations within Oracle environments. Organizations relying on Advanced Queuing for critical business processes may experience data corruption, unauthorized information disclosure, or disruption of message processing workflows. The vulnerability's ability to affect both confidentiality and integrity aligns with common attack patterns identified in the ATT&CK framework under the Data Exposure and Data Manipulation tactics. This weakness could enable attackers to manipulate critical business data, disrupt service availability, or gain unauthorized access to sensitive information that flows through the queuing system. The vulnerability's presence in multiple Oracle Database versions suggests it represents a widespread issue that would require comprehensive patching across affected systems, potentially impacting large enterprise environments with complex database infrastructures.
Mitigation strategies for CVE-2009-1995 should focus on immediate patch application and access control reinforcement. Oracle released security patches specifically addressing this vulnerability, and organizations must prioritize deployment of the relevant updates to prevent exploitation. The mitigation approach should also include implementing least privilege access controls for database users, particularly those with access to Advanced Queuing functionality. Security administrators should consider disabling or restricting access to the SYS.DBMS_AQ_INV package when not required for business operations. Network segmentation and monitoring of database access patterns can help detect potential exploitation attempts, while regular security assessments should verify that the vulnerability has been properly addressed. This vulnerability aligns with CWE-284 (Improper Access Control) and CWE-311 (Missing Encryption of Sensitive Data) categories, indicating that proper access controls and data protection measures are essential for preventing exploitation. Organizations should also implement database activity monitoring solutions to detect anomalous behavior patterns that might indicate attempted exploitation of this vulnerability.