CVE-2011-2243 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Core RDBMS component in Oracle Database Server 11.1.0.7.3, 11.2.0.1, and 11.2.0.2 allows remote authenticated users to affect integrity, related to SYSDBA.
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Analysis
by VulDB Data Team • 11/15/2021
The vulnerability identified as CVE-2011-2243 resides within Oracle Database Server's Core RDBMS component, specifically affecting versions 11.1.0.7.3, 11.2.0.1, and 11.2.0.2. This issue represents a security weakness that enables authenticated remote attackers to compromise database integrity, with particular relevance to SYSDBA privileges. The unspecified nature of the vulnerability suggests a broad category of potential flaws within the database's core functionality that could be exploited by attackers who have already established authentication credentials.
The technical flaw manifests in how the database server handles certain operations when users possess SYSDBA privileges, which represent the highest level of database administrative access. This privilege level allows users to perform critical database operations including data manipulation, schema changes, and system-level modifications that directly impact data integrity. The vulnerability specifically relates to how the system processes authenticated connections from users who have been granted SYSDBA access, creating potential pathways for unauthorized data modification or corruption.
From an operational impact perspective, this vulnerability presents significant risk to organizations relying on Oracle Database Server for critical data operations. Attackers who can authenticate to the database with SYSDBA privileges can potentially manipulate or corrupt data without detection, undermining the fundamental integrity of database systems. The remote nature of the attack means that exploitation does not require physical access to the database server, making the vulnerability particularly dangerous in networked environments where database servers are accessible over public networks.
The vulnerability aligns with CWE-284, which addresses improper access control issues, and may relate to ATT&CK technique T1078 for valid accounts and T1485 for data destruction. Organizations should consider implementing robust network segmentation to limit access to database servers, enforcing strong authentication mechanisms, and regularly monitoring database access logs for suspicious activities. Additionally, the vulnerability underscores the importance of maintaining current Oracle Database patches and following Oracle's security advisory practices to prevent exploitation of known weaknesses. The integrity impact specifically indicates that data consistency and reliability could be compromised, potentially leading to business disruption and regulatory compliance issues.