CVE-2016-0179 in Windows
Summary
by MITRE
Windows Shell in Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via a crafted web site, aka "Windows Shell Remote Code Execution Vulnerability."
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Analysis
by VulDB Data Team • 11/03/2024
The vulnerability identified as CVE-2016-0179 represents a critical remote code execution flaw within the Windows Shell component of multiple Microsoft operating systems including Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, and Windows 10 versions Gold and 1511. This vulnerability resides in the Windows Shell functionality that processes and handles various file types and web content, making it a prime target for attackers seeking to compromise systems remotely. The flaw specifically affects how the shell handles crafted web content, creating an avenue for malicious actors to execute arbitrary code on vulnerable systems without requiring user interaction beyond visiting a malicious website.
The technical nature of this vulnerability stems from improper input validation within the Windows Shell component when processing specially crafted web content. This issue falls under the Common Weakness Enumeration category of improper input validation and can be classified as a buffer overflow or memory corruption vulnerability. The Windows Shell processes various file formats and web content through its integrated handlers, and when encountering maliciously crafted content, the system fails to properly validate or sanitize the input before processing. This allows attackers to craft web pages that trigger memory corruption or execute malicious code within the context of the Windows Shell process, which typically runs with elevated privileges. The vulnerability is particularly dangerous because it can be exploited through web browsers or other applications that utilize the Windows Shell for content processing.
The operational impact of CVE-2016-0179 is severe and far-reaching across enterprise environments, as it enables attackers to achieve remote code execution without requiring user interaction beyond visiting a malicious website. This makes the vulnerability particularly attractive for drive-by download attacks and mass exploitation campaigns. Once successfully exploited, the attacker gains the ability to execute arbitrary code with the privileges of the Windows Shell process, which often runs with high privileges. The vulnerability can be leveraged to install malware, establish backdoors, exfiltrate data, or create persistent access to compromised systems. Organizations running affected Windows versions face significant risk of unauthorized access and potential system compromise, especially in environments where users frequently browse the internet or access untrusted websites. The exploitability of this vulnerability through web-based attacks means that even users with basic browsing habits could be at risk, making it a widespread threat across both enterprise and consumer environments.
Mitigation strategies for CVE-2016-0179 should focus on immediate patching of affected systems with Microsoft security updates, as this vulnerability was addressed through the February 2016 security updates. Organizations should implement network-based protections including web filtering solutions and content inspection systems that can detect and block malicious web content targeting this specific vulnerability. Browser hardening measures such as disabling automatic execution of ActiveX controls and implementing security zones can reduce the attack surface. Additionally, users should be educated about the risks of visiting untrusted websites and the importance of keeping systems updated with the latest security patches. The vulnerability demonstrates the importance of maintaining up-to-date systems and implementing layered security controls, as outlined in the MITRE ATT&CK framework for initial access and execution techniques. Organizations should also consider implementing network segmentation and monitoring solutions to detect potential exploitation attempts and limit lateral movement within compromised networks.