CVE-2016-0098 in Windows
Summary
by MITRE
Microsoft Windows Server 2008 R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 allow remote attackers to execute arbitrary code via crafted media content, aka "Windows Media Parsing Remote Code Execution Vulnerability."
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Analysis
by VulDB Data Team • 07/09/2022
This vulnerability represents a critical remote code execution flaw in Microsoft Windows operating systems that affects multiple versions including Windows Server 2008 R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10. The vulnerability specifically occurs during the processing of crafted media content, making it particularly dangerous as it can be exploited through various media file formats that Windows handles natively. The flaw resides in the Windows Media parsing components that are responsible for interpreting and rendering multimedia content, creating a pathway for malicious actors to execute arbitrary code on targeted systems. This vulnerability is categorized under CWE-125 as an out-of-bounds read condition that can be leveraged for privilege escalation and system compromise.
The technical exploitation of this vulnerability occurs when Windows processes malformed or specially crafted media files through its built-in media handling libraries. Attackers can construct media content with specific malicious payloads that trigger buffer overflows or memory corruption within the Windows Media framework. When a user opens or previews such malicious content, the vulnerable parsing code executes code from the crafted media file, allowing attackers to gain unauthorized execution privileges on the affected system. The attack vector is particularly insidious because it can be delivered through various means including email attachments, web downloads, or compromised websites that automatically attempt to render media content. This vulnerability aligns with ATT&CK technique T1203 which describes the use of malicious media files to execute code on target systems.
The operational impact of this vulnerability is severe as it provides attackers with complete system compromise capabilities without requiring any user interaction beyond opening or previewing the malicious media content. Systems running affected versions of Windows are vulnerable regardless of user privileges, making it particularly dangerous in enterprise environments where users may have varying levels of access. The vulnerability can be exploited through multiple attack surfaces including email clients, web browsers, and media players that rely on Windows Media components. Organizations face significant risk as this vulnerability can be exploited for data exfiltration, lateral movement within networks, and establishment of persistent backdoors. The widespread adoption of affected Windows versions means that the potential attack surface is extensive, affecting both individual users and enterprise networks. Security professionals must consider this vulnerability as a high-priority threat requiring immediate remediation through Microsoft security updates.
Mitigation strategies for this vulnerability include applying the relevant Microsoft security patches that address the Windows Media parsing flaws, which should be implemented as soon as possible across all affected systems. Organizations should also consider implementing network-based restrictions on media file types that could potentially contain malicious content, particularly in environments where users have elevated privileges. Additional protective measures include configuring email servers to scan and block suspicious media attachments, implementing application whitelisting policies to restrict media processing applications, and conducting regular vulnerability assessments to identify systems that may be running outdated Windows versions. Network segmentation and monitoring solutions should be deployed to detect anomalous behavior that might indicate exploitation attempts. The vulnerability highlights the importance of maintaining current security patches and the need for comprehensive endpoint protection strategies that go beyond traditional antivirus solutions.