CVE-2024-29045 in OLE DB Driver
Summary
by MITRE • 04/10/2024
Microsoft OLE DB Driver for SQL Server Remote Code Execution Vulnerability
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Analysis
by VulDB Data Team • 04/07/2025
The CVE-2024-29045 vulnerability represents a critical remote code execution flaw within Microsoft OLE DB Driver for SQL Server, posing significant security risks to enterprise environments that rely on database connectivity. This vulnerability specifically affects the OLE DB driver component that facilitates communication between applications and sql server databases, making it a prime target for attackers seeking to compromise database infrastructure. The flaw exists in how the driver processes certain input parameters during connection establishment and query execution phases, creating potential entry points for malicious actors to execute arbitrary code on affected systems.
The technical implementation of this vulnerability stems from inadequate input validation and parameter handling within the OLE DB driver's processing pipeline. When applications utilize the driver to establish connections or execute queries, specific malformed input sequences can trigger buffer overflow conditions or improper memory handling scenarios. This vulnerability falls under the category of software flaws that enable attackers to manipulate the driver's internal state through crafted database connection strings or query parameters. The flaw is particularly concerning because it operates at the driver level, meaning that successful exploitation can occur without requiring authentication to the target database, making it accessible to both authenticated and unauthenticated threat actors.
From an operational impact perspective, this vulnerability creates substantial risk for organizations utilizing Microsoft SQL Server environments, as successful exploitation can lead to complete system compromise and unauthorized data access. Attackers leveraging this vulnerability can potentially gain elevated privileges on the system hosting the OLE DB driver, allowing them to execute malicious code with the same permissions as the database service account. The attack surface extends beyond individual database servers to encompass entire network infrastructures, as the vulnerability can be exploited through various attack vectors including web applications, desktop applications, and middleware components that utilize the affected driver. Organizations with legacy systems or those unable to patch immediately face heightened risk due to the potential for widespread exploitation across multiple applications.
The mitigation strategy for CVE-2024-29045 requires immediate implementation of Microsoft's security patches and updates to the OLE DB Driver for SQL Server components. Organizations should prioritize patching all systems where the affected driver is installed, particularly those handling sensitive data or serving as critical infrastructure components. Network segmentation and access controls should be implemented to limit exposure of systems running the vulnerable driver, while monitoring systems should be configured to detect anomalous database connection patterns or unusual query execution behaviors. Security teams should also consider implementing application whitelisting policies and restricting the use of potentially vulnerable database connection parameters to reduce attack surface. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all systems utilizing the affected driver version and establish incident response procedures to address potential exploitation attempts.
This vulnerability aligns with several CWE categories including CWE-121 for buffer overflow conditions and CWE-79 for input validation issues, demonstrating the fundamental security weaknesses in data processing and input handling within database connectivity components. The ATT&CK framework categorizes this vulnerability under T1190 for Exploit Public-Facing Application and T1071.004 for Application Layer Protocol, reflecting how attackers would leverage this flaw to compromise database systems and potentially move laterally within networks. Organizations should also consider the broader implications of this vulnerability within their overall security posture, as it represents a critical weakness in database connectivity infrastructure that could enable advanced persistent threats or data breaches with potentially catastrophic consequences for enterprise security.