CVE-2020-1185 in Windows
Summary
by MITRE
An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory, aka 'Windows State Repository Service Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1124, CVE-2020-1131, CVE-2020-1134, CVE-2020-1144, CVE-2020-1184, CVE-2020-1186, CVE-2020-1187, CVE-2020-1188, CVE-2020-1189, CVE-2020-1190, CVE-2020-1191.
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Analysis
by VulDB Data Team • 10/17/2020
The vulnerability identified as CVE-2020-1185 represents a critical elevation of privilege flaw within the Windows State Repository Service component of Microsoft Windows operating systems. This security weakness stems from improper handling of objects in memory by the Windows State Repository Service, which is responsible for managing application state information and configuration data across various Windows components. The flaw allows an attacker with limited user privileges to escalate their access rights and potentially gain system-level control over affected systems.
This vulnerability falls under the CWE-121 category of "Stack-based Buffer Overflow" and aligns with the ATT&CK technique T1068 which describes "Exploitation for Privilege Escalation." The Windows State Repository Service operates with elevated privileges to manage system state information, making it an attractive target for attackers seeking to leverage memory handling flaws for privilege escalation. When the service processes certain memory objects, it fails to properly validate or sanitize the data structures, creating opportunities for malicious input to corrupt memory and potentially execute arbitrary code with higher privileges.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it affects the core Windows infrastructure that manages application state persistence. Systems running vulnerable versions of Windows are at risk of being compromised by attackers who can exploit this weakness to gain unauthorized access to system resources, manipulate application configurations, and potentially establish persistent backdoors. The vulnerability affects multiple Windows versions including Windows 10, Windows Server 2016, and Windows Server 2019, making it particularly concerning for enterprise environments where these operating systems are widely deployed.
Mitigation strategies for CVE-2020-1185 should prioritize immediate patch deployment through Microsoft's regular security updates, as the vendor released patches in the May 2020 security update cycle. Organizations should implement network segmentation to limit lateral movement opportunities and monitor for suspicious process creation patterns that might indicate exploitation attempts. Additionally, security teams should consider implementing Application Control policies to restrict execution of unauthorized binaries and maintain comprehensive audit logging to detect potential exploitation activities. The vulnerability demonstrates the importance of memory safety practices in system services and highlights the need for robust input validation mechanisms in privileged Windows components.