CVE-2007-2110 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Core RDBMS component for Oracle Database 9.0.1.5 and 10.1.0.4 on Windows systems has unknown impact and attack vectors, aka DB03. NOTE: as of 20070424, Oracle has not disputed reliable claims that DB03 occurs because RDBMS uses a NULL Discretionary Access Control List (DACL) for the Oracle process and certain shared memory sections, which allows local users to inject threads and execute arbitrary code via the OpenProcess, OpenThread, and SetThreadContext functions (DB03).
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Analysis
by VulDB Data Team • 07/14/2021
The vulnerability identified as CVE-2007-2110 represents a critical security flaw within Oracle Database's Core RDBMS component affecting versions 9.0.1.5 and 10.1.0.4 on Windows operating systems. This issue falls under the category of discretionary access control list (DACL) manipulation, where the database process and certain shared memory sections are configured with NULL DACLs that lack proper access control enforcement. The vulnerability was initially disclosed with limited information regarding its specific impact and attack vectors, but subsequent analysis revealed the severity of the flaw. The designation "DB03" indicates this was part of Oracle's internal tracking system for database security vulnerabilities, highlighting the organization's recognition of the potential threat level.
The technical exploitation of this vulnerability hinges on the improper configuration of access control mechanisms within the Windows operating system environment. When Oracle Database services run with NULL DACLs, they create an environment where local users can manipulate process and thread execution contexts through standard Windows API functions. Specifically, attackers can leverage the OpenProcess, OpenThread, and SetThreadContext functions to inject malicious code into the Oracle process memory space. This technique exploits the fundamental weakness in Windows security model where processes with NULL DACLs allow any user to perform operations that would normally be restricted. The vulnerability essentially bypasses the normal Windows access control mechanisms, allowing unauthorized code execution with the privileges of the Oracle service account.
The operational impact of this vulnerability extends beyond simple local privilege escalation to potentially compromise the entire database infrastructure. Since Oracle Database services typically run with elevated privileges, successful exploitation could result in complete system compromise, data exfiltration, or database corruption. Attackers could inject malicious code that persists across database restarts or even system reboots, depending on the persistence mechanisms employed. The vulnerability affects systems where Oracle Database is installed on Windows platforms, making it particularly concerning for enterprise environments where database servers often serve as critical infrastructure components. This flaw could be exploited by attackers who have already gained local access to the system, potentially through social engineering, phishing, or other initial compromise techniques.
The exploitation of this vulnerability aligns with several ATT&CK framework techniques including privilege escalation through process injection and persistence mechanisms. From a CWE perspective, this vulnerability maps to CWE-284, which describes improper access control, and CWE-78, which covers OS command injection. The specific implementation flaw in Oracle's Windows service configuration creates a dangerous security boundary that allows unauthorized access to critical system resources. Organizations should implement immediate mitigations including applying Oracle's security patches, configuring proper DACLs for Oracle processes, and ensuring that database services run with the minimum required privileges. Additionally, network segmentation and monitoring for suspicious process injection activities should be implemented to detect potential exploitation attempts. The vulnerability underscores the importance of proper access control configuration in database security and highlights the need for regular security assessments of critical system components.