CVE-2024-26162 Overview
CVE-2024-26162 is a Remote Code Execution (RCE) vulnerability in the Microsoft ODBC Driver affecting a wide range of Windows operating systems. This vulnerability allows attackers to execute arbitrary code on affected systems through the ODBC driver component, potentially leading to complete system compromise.
Critical Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code with the privileges of the targeted user, potentially leading to full system compromise across Windows client and server environments.
Affected Products
- Microsoft Windows 10 (versions 1507, 1607, 1809, 21H2, 22H2)
- Microsoft Windows 11 (versions 21H2, 22H2, 23H2)
- Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022, 2022 23H2
Discovery Timeline
- 2024-03-12 - CVE-2024-26162 published to NVD
- 2024-12-05 - Last updated in NVD database
Technical Details for CVE-2024-26162
Vulnerability Analysis
This vulnerability exists within the Microsoft ODBC (Open Database Connectivity) Driver, a core Windows component used for database connectivity across applications. The flaw is classified under CWE-681 (Incorrect Conversion between Numeric Types), indicating that the vulnerability stems from improper handling of numeric type conversions within the ODBC driver's processing logic.
The vulnerability requires user interaction, meaning an attacker must convince a user to perform an action such as connecting to a malicious database server or opening a specially crafted file that triggers the vulnerable ODBC code path. Once triggered, the attacker can achieve remote code execution with the same privileges as the user running the application.
Root Cause
The root cause of CVE-2024-26162 is an incorrect conversion between numeric types (CWE-681) within the Microsoft ODBC Driver. When processing certain data from a remote source, the driver fails to properly validate or convert numeric values, leading to memory corruption conditions that can be exploited for code execution. This type of vulnerability typically occurs when integer values are truncated, sign-extended incorrectly, or converted between incompatible numeric types without proper bounds checking.
Attack Vector
The attack is network-based and requires user interaction. An attacker could exploit this vulnerability by:
- Setting up a malicious database server or man-in-the-middle position
- Crafting specially formatted data that triggers the numeric conversion flaw
- Convincing a victim to connect to the malicious server using an application that utilizes the ODBC driver
- When the vulnerable code path processes the malicious data, memory corruption occurs
- The attacker achieves code execution in the context of the user's session
The vulnerability does not require authentication and has high impact on confidentiality, integrity, and availability of the affected system.
Detection Methods for CVE-2024-26162
Indicators of Compromise
- Unusual ODBC driver activity or crashes in application event logs
- Unexpected outbound database connections to unknown or suspicious IP addresses
- Anomalous memory access patterns in processes using ODBC connectivity
- Application crashes or unexpected behavior in database-connected applications
Detection Strategies
- Monitor for unusual database connection attempts from client applications to external or unknown servers
- Implement network monitoring to detect suspicious ODBC traffic patterns
- Configure endpoint detection rules to alert on ODBC driver crashes or exploitation attempts
- Review application logs for signs of malformed database responses triggering errors
Monitoring Recommendations
- Enable detailed logging for applications utilizing ODBC connections
- Deploy network intrusion detection signatures for known ODBC exploitation patterns
- Utilize SentinelOne's behavioral AI to detect anomalous process behavior associated with ODBC driver exploitation
- Monitor for privilege escalation attempts following ODBC-related application crashes
How to Mitigate CVE-2024-26162
Immediate Actions Required
- Apply the March 2024 Microsoft security updates to all affected Windows systems immediately
- Review and restrict network access to database services where possible
- Implement network segmentation to limit exposure of database connections
- Educate users about the risks of connecting to untrusted database servers
Patch Information
Microsoft has released security updates addressing this vulnerability as part of the March 2024 Patch Tuesday release. Organizations should consult the Microsoft Security Response Center advisory for CVE-2024-26162 for specific patch information and download links for their affected Windows versions.
Workarounds
- Restrict ODBC connections to trusted, internal database servers only through firewall rules
- Implement application whitelisting to control which applications can utilize ODBC connectivity
- Use network segmentation to isolate systems requiring external database connectivity
- Consider disabling unused ODBC drivers until patches can be applied
# Configuration example - Restrict ODBC connections via Windows Firewall
# Block outbound ODBC connections to untrusted networks
netsh advfirewall firewall add rule name="Block Untrusted ODBC" dir=out action=block protocol=tcp remoteport=1433,3306,5432 remoteip=any
# Allow connections only to known trusted database servers
netsh advfirewall firewall add rule name="Allow Trusted DB Server" dir=out action=allow protocol=tcp remoteport=1433 remoteip=192.168.1.100
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
