CVE-2020-1150 in Windows
Summary
by MITRE
A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory, aka 'Media Foundation Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-1028, CVE-2020-1126, CVE-2020-1136.
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Analysis
by VulDB Data Team • 10/17/2020
The vulnerability identified as CVE-2020-1150 represents a critical memory corruption flaw within Windows Media Foundation component that forms part of Microsoft's multimedia framework. This vulnerability specifically manifests when the Media Foundation subsystem fails to properly manage memory objects during processing of multimedia content, creating potential attack vectors for malicious actors. The issue stems from improper handling of memory structures that could lead to unauthorized code execution or system instability. The vulnerability affects multiple Windows operating systems including Windows 10, Windows Server 2016, and Windows Server 2019, making it particularly concerning for enterprise environments where these systems are prevalent.
The technical root cause of this memory corruption vulnerability lies in the improper validation and handling of multimedia objects within the Media Foundation API. When processing certain media files or streams, the system fails to properly validate memory boundaries and object references, leading to potential buffer overflows or use-after-free conditions. This flaw operates at the kernel level within the Windows Media Foundation subsystem, making it particularly dangerous as it can be exploited to gain elevated privileges. The vulnerability is classified under CWE-125 as an out-of-bounds read condition, which allows attackers to access memory locations beyond the intended buffer boundaries. According to the ATT&CK framework, this vulnerability maps to T1059.007 for Command and Scripting Interpreter and T1068 for Exploitation for Privilege Escalation, as exploitation typically involves crafting malicious media content to trigger the memory corruption.
The operational impact of CVE-2020-1150 extends beyond simple system instability, potentially enabling full system compromise when exploited successfully. Attackers can leverage this vulnerability through various attack vectors including malicious email attachments, compromised websites, or malicious media files distributed through social engineering campaigns. The vulnerability's exploitation requires minimal user interaction, often only involving the automatic processing of media content by Windows Media Foundation when files are opened or played. Organizations running affected systems face significant risk of unauthorized access, data exfiltration, and persistent backdoor establishment. The vulnerability's presence in core Windows components means that traditional endpoint protection solutions may not adequately detect or prevent exploitation attempts, requiring specialized patch management and system hardening measures.
Mitigation strategies for CVE-2020-1150 primarily focus on immediate patch deployment through Microsoft's regular security updates, which address the underlying memory handling flaws in the Media Foundation component. System administrators should prioritize patching across all affected Windows environments, particularly those handling multimedia content or exposed to external threats. Additional defensive measures include implementing strict media file validation policies, disabling unnecessary multimedia processing capabilities, and configuring application whitelisting to restrict execution of potentially malicious media files. Network segmentation and monitoring solutions should be enhanced to detect unusual media processing activities that might indicate exploitation attempts. The vulnerability highlights the importance of maintaining current security patches and demonstrates how multimedia frameworks can serve as attack surfaces when not properly secured against memory corruption attacks. Organizations should also consider implementing automated patch management systems to ensure timely deployment of security updates and reduce the window of vulnerability exposure.