CVE-2007-4667 in SQL Server
Summary
by MITRE
Unspecified vulnerability in the Services API in Firebird before 2.0.2 allows remote attackers to cause a denial of service, aka CORE-1149.
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Analysis
by VulDB Data Team • 07/08/2019
The vulnerability identified as CVE-2007-4667 represents a critical weakness within Firebird database management system's Services API implementation prior to version 2.0.2. This unspecified flaw resides in the core service layer that handles administrative operations and system monitoring functions, making it a prime target for exploitation by malicious actors seeking to disrupt database operations. The Services API serves as a crucial interface for database administrators to manage system resources, monitor performance, and execute administrative tasks, which inherently makes it a high-value target for attackers looking to compromise system availability.
The technical nature of this vulnerability manifests as a remote denial of service condition that can be triggered through malformed or specially crafted requests to the Services API. While the exact technical mechanism remains unspecified in the CVE description, such vulnerabilities in database service interfaces typically stem from inadequate input validation, buffer overflows, or improper error handling within the API processing logic. Attackers can exploit this weakness by sending malicious payloads that cause the service to crash, hang, or otherwise become unresponsive, effectively rendering the database unavailable to legitimate users and applications that depend on it for operations.
The operational impact of CVE-2007-4667 extends beyond simple service interruption, potentially causing cascading failures throughout dependent applications and systems that rely on the affected Firebird database. Organizations running vulnerable versions face significant risk of business disruption, data access limitations, and potential financial losses due to extended downtime periods. The remote nature of the attack means that adversaries need not have physical access to the system, making the vulnerability particularly dangerous as it can be exploited from anywhere on the network. This characteristic aligns with ATT&CK technique T1499.004 for network denial of service attacks, where adversaries leverage system weaknesses to disrupt availability.
From a cybersecurity perspective, this vulnerability demonstrates the importance of proper input validation and robust error handling in service-oriented architectures. The flaw likely violates CWE principles related to input validation and error handling, specifically CWE-20 for improper input validation and CWE-704 for incorrect error handling. Organizations should consider implementing network segmentation and access controls to limit exposure to this vulnerability, while also ensuring regular patch management processes are in place to address such security weaknesses promptly. The vulnerability serves as a reminder of the critical need for comprehensive security testing of service interfaces, particularly those that are accessible over network connections and handle administrative functions.