CVE-2011-0879 in Enterprise Manager Grid Control
Summary
by MITRE
Unspecified vulnerability in the Instance Management component in Oracle Database Server 10.1.0.5, 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.1, and 11.2.0.2; and Oracle Enterprise Manager Grid Control 10.1.0.6 and 10.2.0.5; allows remote attackers to affect integrity via unknown vectors.
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Analysis
by VulDB Data Team • 11/14/2021
The vulnerability identified as CVE-2011-0879 resides within Oracle Database Server's Instance Management component, affecting multiple versions including 10.1.0.5 through 11.2.0.2, alongside Oracle Enterprise Manager Grid Control versions 10.1.0.6 and 10.2.0.5. This unspecified flaw represents a critical security weakness that enables remote attackers to compromise data integrity without requiring authentication or specific privileges. The Instance Management component serves as a crucial interface for database instance operations and monitoring, making it a prime target for adversaries seeking to manipulate database operations and compromise the reliability of data processing workflows.
This vulnerability manifests as an integrity-focused weakness that operates through unspecified attack vectors, indicating the presence of multiple potential exploitation pathways within the Instance Management subsystem. The unspecified nature of the vectors suggests that the flaw may encompass several related weaknesses within the database's instance handling mechanisms, potentially including improper input validation, insecure parameter processing, or flawed state management during instance operations. The vulnerability's remote exploitability means that attackers can potentially manipulate database instance behaviors from external networks without requiring physical access or prior system compromise, significantly expanding the attack surface and potential impact scope.
The operational impact of this vulnerability extends beyond simple data corruption to encompass potential disruption of database services and unauthorized modification of instance configurations. Attackers leveraging this weakness could potentially alter database instance parameters, interfere with instance startup and shutdown procedures, or manipulate monitoring data that Oracle Enterprise Manager Grid Control relies upon for system administration. The integrity compromise affects the fundamental reliability of database operations, as any modification to instance management processes could lead to cascading failures or unauthorized data processing behaviors. The vulnerability particularly threatens enterprise environments where Oracle Database instances are actively monitored and managed through Grid Control, as the integrity of monitoring data directly impacts operational decision-making and security posture assessment.
Mitigation strategies for CVE-2011-0879 should prioritize immediate patch application from Oracle's security advisories, as the unspecified nature of the vulnerability typically indicates a comprehensive weakness requiring complete remediation. Network segmentation and firewall restrictions should be implemented to limit access to database ports and services, particularly restricting direct database connectivity to trusted administrative networks. The principle of least privilege must be enforced through careful management of database user permissions and instance access controls. Additionally, organizations should implement comprehensive monitoring of database instance activities and establish baseline behavioral patterns for detection of anomalous instance management operations. Security controls should align with industry standards including CWE-119 for memory safety and CWE-310 for cryptographic security, while addressing ATT&CK techniques related to privilege escalation and defense evasion through database instance manipulation. Regular security assessments and vulnerability scanning should be conducted to identify potential exploitation of similar weaknesses within the database infrastructure.