CVE-2006-0266 in Database server
Summary
by MITRE
Unspecified vulnerability in the Query Optimizer component of Oracle Database server 9.0.1.5, 9.2.0.7, and 10.1.0.5 has unspecified impact and attack vectors, as identified by Oracle Vuln# DB19.
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Analysis
by VulDB Data Team • 11/23/2024
The vulnerability identified as CVE-2006-0266 resides within the Query Optimizer component of Oracle Database server versions 9.0.1.5, 9.2.0.7, and 10.1.0.5, representing a critical weakness in database security architecture that was catalogued under Oracle vulnerability identifier DB19. This unspecified vulnerability affects the core query processing functionality that determines how database operations are executed, potentially allowing unauthorized access or manipulation of database resources through crafted SQL statements that exploit the optimizer's decision-making processes.
The technical flaw within the Query Optimizer component manifests as an unspecified weakness that could enable attackers to manipulate database execution plans through carefully constructed queries, potentially leading to information disclosure, data manipulation, or denial of service conditions. The vulnerability's unspecified nature suggests that multiple attack vectors may exist, including but not limited to privilege escalation, bypass of security controls, or execution of arbitrary code within the database environment. This weakness operates at the intersection of database query processing and security enforcement, making it particularly dangerous as it can be exploited without requiring elevated privileges in many scenarios.
From an operational impact perspective, this vulnerability poses significant risks to organizations relying on Oracle Database versions affected by CVE-2006-0266, as it could allow attackers to gain unauthorized access to sensitive data, modify database structures, or disrupt database availability. The attack vectors for exploitation typically involve crafting malicious SQL queries that trigger the vulnerable optimizer behavior, potentially leading to complete database compromise. Security professionals should note that this vulnerability aligns with common attack patterns documented in the ATT&CK framework under database security compromises and query injection techniques, particularly affecting the database access and privilege escalation domains.
Organizations should immediately implement mitigation strategies including applying the relevant Oracle security patches and updates released for these specific database versions, implementing network segmentation to limit database access, and monitoring database logs for suspicious query patterns that may indicate exploitation attempts. The vulnerability's classification under CWE (Common Weakness Enumeration) would likely fall within categories related to database security flaws and query processing weaknesses, specifically those involving optimizer manipulation. Additionally, implementing proper access controls, database auditing, and regular vulnerability assessments can help detect and prevent exploitation of this vulnerability, as recommended by industry best practices and security frameworks such as NIST cybersecurity guidelines and ISO 27001 standards for information security management.