CVE-2018-8209 in Windows
Summary
by MITRE
An information disclosure vulnerability exists when Windows allows a normal user to access the Wireless LAN profile of an administrative user, aka "Windows Wireless Network Profile Information Disclosure Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
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Analysis
by VulDB Data Team • 03/27/2023
The vulnerability identified as CVE-2018-8209 represents a critical information disclosure flaw within Microsoft Windows operating systems that undermines the security boundaries between normal user accounts and administrative wireless network configurations. This weakness specifically affects Windows Server 2016, Windows 10, and Windows 10 Servers, creating an unauthorized access scenario where standard users can potentially retrieve sensitive wireless network profile information belonging to administrative accounts. The flaw exploits insufficient access controls and privilege separation mechanisms within the Windows wireless networking subsystem, allowing malicious actors with standard user privileges to obtain credentials and configuration details that should remain restricted to privileged users. This vulnerability directly impacts the principle of least privilege and demonstrates a failure in proper access control implementation within the operating system's security architecture.
The technical implementation of this vulnerability stems from improper access control mechanisms within Windows wireless network profile management. When Windows processes wireless network profiles, it fails to adequately enforce privilege checks that would normally prevent standard users from accessing administrative profile data. This allows a normal user account to query and retrieve wireless network configuration information including SSID identifiers, authentication parameters, and potentially credential material that should be protected through proper access control enforcement. The flaw operates at the kernel level within the Windows networking stack, specifically within the wireless profile management services that handle network configuration data storage and retrieval operations. This represents a classic access control bypass vulnerability that can be categorized under CWE-284, which deals with improper access control mechanisms in software systems.
The operational impact of CVE-2018-8209 extends beyond simple information disclosure, creating potential pathways for privilege escalation and lateral movement within compromised networks. An attacker who successfully exploits this vulnerability gains access to wireless network credentials and configuration details that can be leveraged to connect to restricted wireless networks, potentially gaining access to internal network resources that are normally protected by wireless security controls. This vulnerability can enable attackers to establish persistent network access points, facilitate man-in-the-middle attacks against wireless communications, or use the retrieved credentials to authenticate to other network services that may share similar authentication mechanisms. The impact is particularly severe in enterprise environments where wireless networks often provide access to critical internal systems and where administrative wireless profiles may contain elevated privilege credentials or network access tokens. According to ATT&CK framework, this vulnerability maps to T1077.002 - "Wireless Network Attack" and T1566.001 - "Phishing for Information" as it enables unauthorized access to network credentials and configuration data.
Mitigation strategies for CVE-2018-8209 should focus on immediate patch deployment through Microsoft security updates, which address the underlying access control implementation flaws in Windows wireless profile management. Organizations should implement strict network segmentation policies that separate wireless access points from critical internal systems, limiting the potential impact of credential compromise. Security administrators should conduct regular audits of wireless network configurations and monitor for unauthorized access attempts to wireless profile information. Additional protective measures include implementing network access control solutions that enforce strict authentication requirements, deploying wireless intrusion detection systems to monitor for suspicious wireless activity, and ensuring that wireless profiles are properly configured with appropriate access controls. The vulnerability highlights the importance of proper privilege separation and access control enforcement in operating system design, and organizations should review their wireless network security policies to ensure that administrative credentials are not unnecessarily exposed to standard user accounts. This vulnerability serves as a reminder of the critical importance of maintaining proper security boundaries within network infrastructure and the need for comprehensive access control validation across all system components.