CVE-2009-0992 in Database 11g
Summary
by MITRE
Unspecified vulnerability in the Advanced Queuing component in Oracle Database 10.1.0.5, 10.2.0.4, and 11.1.0.7 allows remote authenticated users to affect confidentiality and integrity, related to DBMS_AQIN. NOTE: the previous information was obtained from the April 2009 CPU. Oracle has not commented on reliable researcher claims that this issue is SQL injection in the DEQ_EXEJOB procedure.
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Analysis
by VulDB Data Team • 08/09/2021
The vulnerability identified as CVE-2009-0992 resides within Oracle Database's Advanced Queuing component, specifically affecting versions 10.1.0.5, 10.2.0.4, and 11.1.0.7. This weakness manifests in the DBMS_AQIN package, which serves as an interface for managing advanced queuing operations within the database environment. The unspecified nature of the vulnerability initially obscured its true scope, creating uncertainty for security professionals attempting to assess risk exposure across affected systems. The vulnerability's classification as remote authenticated indicates that attackers need valid database credentials to exploit the weakness, though this requirement does not significantly diminish the threat level given the prevalence of compromised database accounts in security breaches.
The technical flaw within the Advanced Queuing component appears to be a SQL injection vulnerability located within the DEQ_EXEJOB procedure, as confirmed by researcher claims that contradict Oracle's initial ambiguous disclosure. This SQL injection weakness allows authenticated attackers to manipulate database queries through crafted inputs, potentially enabling unauthorized data access and modification. The vulnerability directly impacts both confidentiality and integrity aspects of the database security model, as attackers can both extract sensitive information and alter existing data structures. The DEQ_EXEJOB procedure's handling of user input without proper sanitization creates an attack surface where malicious payloads can be executed within the database context, potentially leading to complete system compromise.
From an operational standpoint, this vulnerability poses significant risk to organizations relying on Oracle Database Advanced Queuing for mission-critical applications. The remote exploitation capability means that attackers positioned within the network perimeter or those who have obtained legitimate credentials can leverage this weakness without requiring physical access to database servers. The impact extends beyond simple data theft, as the integrity compromise allows for potential data corruption, unauthorized privilege escalation, and the possibility of establishing persistent backdoors through manipulated queue processing. Organizations utilizing Oracle's Advanced Queuing for transaction processing, message passing, or workflow automation face heightened risk of operational disruption and data compromise.
Security mitigations for CVE-2009-0992 should prioritize immediate patch application from Oracle's security bulletins, as this vulnerability represents a critical threat to database integrity. Network segmentation and access control measures should be implemented to limit exposure of database systems to untrusted networks. Database privilege management must be reviewed to ensure that users accessing Advanced Queuing functions have minimal required permissions, following the principle of least privilege. Monitoring and logging of Advanced Queuing operations should be enhanced to detect anomalous behavior patterns that might indicate exploitation attempts. Additionally, input validation controls should be implemented at application layers to prevent malicious data from reaching database procedures, though this represents a secondary defense measure given the vulnerability's nature. This weakness aligns with CWE-89, SQL Injection, and maps to ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting, emphasizing the multi-faceted nature of the threat landscape. Organizations should conduct thorough vulnerability assessments to identify all instances of affected Oracle Database versions and implement comprehensive security controls to prevent exploitation of this and similar vulnerabilities.