CVE-2024-29047 in SQL Server
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-2024-29047 vulnerability represents a critical remote code execution flaw within Microsoft OLE DB Driver for SQL Server, a component that facilitates database connectivity and data access operations across enterprise environments. This vulnerability resides in the driver's handling of specific data processing operations that occur during database connection and query execution phases. The flaw enables malicious actors to execute arbitrary code on systems running affected versions of the OLE DB Driver, potentially leading to complete system compromise and unauthorized access to sensitive database resources. Security researchers identified this issue through comprehensive code analysis and vulnerability assessment procedures that examined the driver's internal processing mechanisms for database connection strings and query parameters.
The technical exploitation of CVE-2024-29047 occurs when the OLE DB Driver processes malformed or specially crafted input data that triggers an improper memory handling condition within the driver's processing pipeline. This memory corruption vulnerability stems from insufficient validation of input parameters during the connection establishment phase, allowing attackers to manipulate memory structures through crafted database connection strings or query operations. The flaw manifests as a buffer overflow or heap-based memory corruption that can be leveraged to overwrite critical memory locations, ultimately enabling attackers to inject and execute malicious code within the context of the database driver process. According to CWE classification, this vulnerability maps to CWE-121, which describes stack-based buffer overflow conditions, and CWE-787, which covers out-of-bounds write vulnerabilities. The attack vector requires network access to the system running the vulnerable driver, making it particularly dangerous in environments where database connectivity is exposed to untrusted networks.
The operational impact of CVE-2024-29047 extends beyond immediate code execution capabilities to encompass comprehensive system compromise and data exfiltration risks. Organizations utilizing affected versions of the OLE DB Driver face potential unauthorized access to sensitive corporate databases, including financial records, customer information, intellectual property, and other confidential assets. The vulnerability's remote nature means that attackers can exploit it from external networks without requiring physical access to target systems, significantly expanding the attack surface. Successful exploitation can result in persistent backdoor access, data manipulation, and lateral movement within network environments. From an adversary perspective, this vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol usage and T1210 for exploitation of remote services, making it particularly attractive for advanced persistent threat actors seeking long-term access to enterprise environments. The vulnerability affects multiple Microsoft SQL Server versions and various operating systems where the OLE DB Driver is installed.
Mitigation strategies for CVE-2024-29047 require immediate implementation of Microsoft security patches and updates to eliminate the underlying memory corruption vulnerability. Organizations should prioritize patch deployment across all systems running affected versions of the Microsoft OLE DB Driver, particularly those with direct database connectivity to external networks. Network segmentation and access control measures should be implemented to limit exposure of database systems to untrusted networks, while firewall rules should restrict unnecessary database port access. Additional protective measures include implementing database connection string validation, monitoring for anomalous database connection patterns, and deploying intrusion detection systems to identify potential exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all systems utilizing the affected driver components and establish monitoring procedures for suspicious activities related to database connectivity. The vulnerability's classification as a critical remote code execution flaw necessitates immediate action, with patch management procedures prioritized above routine maintenance activities to prevent exploitation by threat actors actively targeting this specific vulnerability.