CVE-2011-0805 in Database Server
Summary
by MITRE
Unspecified vulnerability in the UIX component in Oracle Database Server 10.1.0.5, 10.2.0.4, 11.1.0.7, and 11.2.0.1 allows remote attackers to affect integrity via unknown vectors.
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Analysis
by VulDB Data Team • 11/03/2021
The vulnerability identified as CVE-2011-0805 resides within the UIX component of Oracle Database Server, affecting versions 10.1.0.5, 10.2.0.4, 11.1.0.7, and 11.2.0.1. This unspecified weakness represents a significant security concern as it enables remote attackers to compromise data integrity without requiring authentication or privileged access. The UIX component serves as a user interface extension framework that facilitates database administration and user interaction, making it a critical attack surface for potential exploitation. The vulnerability's classification as unspecified means that the exact technical mechanism enabling the integrity compromise remains undisclosed, which complicates the development of targeted defensive measures.
The technical flaw within the UIX component demonstrates a fundamental weakness in Oracle's database security architecture that allows attackers to manipulate data integrity through unknown vectors. This vulnerability operates at a level that affects the core database operations, potentially enabling unauthorized modification of database records, alteration of query results, or manipulation of database metadata. The unspecified nature of the attack vectors suggests that multiple pathways may exist for exploitation, making the vulnerability particularly dangerous as it could be leveraged through various attack scenarios. The remote nature of the vulnerability means that attackers can exploit it from outside the network perimeter, significantly expanding the potential attack surface.
Operationally, this vulnerability poses severe risks to database environments as it directly impacts data integrity, which is one of the core principles of information security. The ability to affect integrity without authentication creates opportunities for attackers to corrupt critical business data, manipulate financial records, alter user permissions, or modify audit trails. Organizations relying on Oracle Database Server for mission-critical applications face significant operational disruption risks, as data integrity compromises can lead to financial losses, regulatory compliance violations, and reputational damage. The vulnerability's presence in multiple versions indicates a widespread issue affecting various database deployments across different organizational environments.
Mitigation strategies for CVE-2011-0805 should prioritize immediate patching of affected Oracle Database Server versions through official security updates from Oracle. Organizations must implement network segmentation to limit access to database servers and employ robust firewall rules to restrict remote access to database ports. The principle of least privilege should be enforced by limiting database user permissions and implementing role-based access controls. Additionally, organizations should conduct comprehensive vulnerability assessments to identify potential exploitation attempts and implement database activity monitoring to detect anomalous behavior. Security teams should also consider implementing database encryption and regular integrity checks to minimize the impact of potential exploitation. This vulnerability aligns with CWE-284, which addresses inadequate access control, and may map to ATT&CK techniques involving privilege escalation and data manipulation.