CVE-2012-0004 in Windows
Summary
by MITRE
Unspecified vulnerability in DirectShow in DirectX in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted media file, related to Quartz.dll, Qdvd.dll, closed captioning, and the Line21 DirectShow filter, aka "DirectShow Remote Code Execution Vulnerability."
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Analysis
by VulDB Data Team • 03/20/2021
The vulnerability identified as CVE-2012-0004 represents a critical remote code execution flaw within Microsoft's DirectShow multimedia framework that affects multiple versions of the Windows operating system. This vulnerability specifically resides within the DirectX component stack and exploits weaknesses in how the system processes media files through the DirectShow architecture. The affected platforms include Windows XP Service Pack 2 and 3, Windows Server 2003 Service Pack 2, Windows Vista Service Pack 2, Windows Server 2008 Service Pack 2 and R2 with SP1, and Windows 7 Gold and SP1 releases. The vulnerability's impact extends across the entire Windows ecosystem where DirectShow is utilized for multimedia processing, making it a significant concern for enterprise environments and individual users alike.
The technical exploitation of this vulnerability occurs through the manipulation of media files that are processed by DirectShow filters, specifically targeting components such as Quartz.dll and Qdvd.dll which are fundamental to multimedia handling in Windows. The attack vector leverages the Line21 DirectShow filter, which is responsible for processing closed captioning data in broadcast television content, to execute malicious code on vulnerable systems. This flaw allows attackers to craft specially designed media files that, when opened or played by a vulnerable system, trigger the execution of arbitrary code within the context of the user's privileges. The vulnerability demonstrates characteristics consistent with buffer overflow conditions where insufficient bounds checking occurs during media file parsing, enabling attackers to overwrite memory locations and redirect program execution flow.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with the capability to achieve complete system compromise without requiring any user interaction beyond opening a malicious media file. This makes the vulnerability particularly dangerous in scenarios where users might encounter media content from untrusted sources, such as email attachments, web downloads, or network shares. The vulnerability's presence in core Windows multimedia components means that it can be exploited across various attack surfaces including web browsers, media players, and email clients that utilize DirectShow for content rendering. Organizations running affected systems face potential data breaches, system takeovers, and lateral movement opportunities for attackers who successfully exploit this vulnerability, making it a prime target for nation-state actors and organized cybercriminal groups.
Mitigation strategies for CVE-2012-0004 should prioritize immediate patch deployment through Microsoft's security updates, which address the underlying buffer overflow conditions in the DirectShow components. System administrators should implement comprehensive network segmentation and access controls to limit the potential impact of successful exploitation attempts. The deployment of application whitelisting solutions can help prevent execution of unauthorized media processing components, while regular security assessments should focus on identifying and removing potentially vulnerable media files from organizational networks. Additionally, users should be educated about the risks of opening media files from untrusted sources, and organizations should establish robust incident response procedures that account for potential exploitation of this vulnerability. This remediation approach aligns with cybersecurity frameworks such as the NIST Cybersecurity Framework and follows the principle of defense in depth as outlined in the MITRE ATT&CK framework for Windows operating systems. The vulnerability's classification under CWE-125 indicates it involves out-of-bounds read conditions, while its exploitation patterns align with techniques described in ATT&CK matrix for privilege escalation and code execution in Windows environments.