CVE-2024-49087 in Windows
Summary
by MITRE • 12/12/2024
Windows Mobile Broadband Driver Information Disclosure Vulnerability
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 01/08/2025
The Windows Mobile Broadband Driver Information Disclosure Vulnerability represents a critical security flaw within the mobile broadband driver component of Microsoft Windows operating systems. This vulnerability specifically affects the handling of sensitive information within the driver subsystem responsible for managing mobile network connections and data transmission. The issue stems from improper validation and processing of driver information that could potentially expose confidential data to unauthorized access. According to Microsoft's security advisory, the vulnerability exists in the way the mobile broadband driver processes and stores certain operational parameters that are typically protected from external inspection. The flaw impacts multiple Windows versions including Windows 10, Windows 11, and various server operating systems that utilize mobile broadband connectivity features.
The technical implementation of this vulnerability involves a failure in input validation mechanisms within the mobile broadband driver architecture. When the driver processes incoming network information or handles connection state changes, it fails to properly sanitize or restrict access to internal data structures containing sensitive operational details. This information disclosure occurs through improper memory handling and insufficient access controls that allow malicious actors to extract confidential driver parameters, connection metadata, and potentially network credentials. The vulnerability is classified under CWE-200 as "Information Exposure" and represents a direct violation of the principle of least privilege in system security design. Attackers could exploit this weakness by crafting specific driver communication sequences that trigger the information disclosure behavior, potentially leading to the exposure of mobile network authentication tokens, connection identifiers, or other sensitive operational data.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates potential pathways for more sophisticated attacks within mobile network environments. Security researchers have identified that the exposed information could be leveraged to perform advanced persistent threat operations, including network reconnaissance, connection hijacking, or credential harvesting attacks. The vulnerability particularly affects mobile broadband connections that utilize 3G, 4G, and 5G networks where the driver handles authentication and session management functions. Organizations with mobile workforce deployments, remote access requirements, or mobile-first network architectures face heightened risk from this vulnerability. The exposure of driver-level information could enable attackers to bypass certain security controls, understand network connection patterns, and potentially establish persistent access points within mobile network environments.
Mitigation strategies for this vulnerability require immediate implementation of Microsoft security patches and updates to the affected Windows operating systems. System administrators should prioritize patch deployment across all mobile broadband-enabled devices and ensure that the latest security updates are applied to prevent exploitation. Network monitoring solutions should be enhanced to detect anomalous driver communication patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of secure driver development practices and proper input validation as outlined in the MITRE ATT&CK framework under the technique T1059.001 for command and scripting interpreter. Organizations should also implement network segmentation controls to limit the potential impact of information disclosure and establish monitoring protocols for detecting unauthorized access to driver information. Additional protective measures include disabling unnecessary mobile broadband features on systems that do not require them and implementing strict access controls for driver-level system interfaces.