CVE-2017-0294 in Windows
Summary
by MITRE
Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to execute remote code when Windows fails to properly handle cabinet files, aka "Windows Remote Code Execution Vulnerability".
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Analysis
by VulDB Data Team • 08/20/2024
This vulnerability represents a critical remote code execution flaw in Microsoft Windows operating systems that affects multiple versions including Windows 7 SP1 through Windows 10 1703 and their respective server editions. The vulnerability specifically manifests when the Windows operating system processes cabinet files, which are compressed archive formats commonly used for software distribution and system updates. The flaw stems from improper handling of these archive files during extraction or decompression processes, creating a pathway for malicious actors to execute arbitrary code on affected systems.
The technical root cause of CVE-2017-0294 lies in the insufficient validation and sanitization of cabinet file structures within Windows archive handling components. When a user opens or processes a specially crafted cabinet file, the system's cabinet extraction routines fail to properly validate the file contents, allowing attackers to manipulate the extraction process and inject malicious code. This type of vulnerability falls under the CWE-121 category of "Stack-based Buffer Overflow" and aligns with ATT&CK technique T1059.007 for command and scripting interpreter. The vulnerability is particularly dangerous because it can be triggered through various attack vectors including email attachments, web downloads, or malicious software installations.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it provides attackers with complete system compromise capabilities. Successful exploitation allows adversaries to execute code with the privileges of the current user, potentially leading to full system control, data exfiltration, and persistence mechanisms. The widespread adoption of affected Windows versions means that organizations across various sectors remain at risk, particularly those with legacy systems or delayed patch management processes. This vulnerability can be leveraged for lateral movement within networks, as compromised systems can serve as launching points for further attacks against connected infrastructure.
Mitigation strategies for CVE-2017-0294 require immediate patch deployment from Microsoft, specifically addressing the cabinet file handling routines in the affected operating systems. Organizations should implement network segmentation to limit lateral movement opportunities and deploy intrusion detection systems to monitor for suspicious cabinet file activity. Security teams should also consider implementing application whitelisting policies to restrict execution of untrusted archive files and maintain comprehensive monitoring of system logs for unusual extraction activities. Additionally, user education regarding the dangers of opening suspicious email attachments or downloading unknown software remains crucial, as social engineering often complements technical exploitation of such vulnerabilities. The vulnerability demonstrates the importance of proper input validation and the potential consequences of inadequate file processing controls in operating system components.