CVE-2016-0170 in Windows
Summary
by MITRE
GDI in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via a crafted document, aka "Windows Graphics Component RCE Vulnerability."
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Analysis
by VulDB Data Team • 12/27/2024
The vulnerability identified as CVE-2016-0170 represents a critical remote code execution flaw within the Windows Graphics Component subsystem that affects multiple versions of the microsoft windows operating system. This vulnerability resides in the Graphics Device Interface GDI component which handles graphics rendering operations for various applications and system functions. The flaw specifically manifests when processing specially crafted documents that contain malicious graphics data, allowing attackers to execute arbitrary code with the privileges of the targeted user. This vulnerability is particularly concerning because it leverages the inherent graphics processing capabilities that are widely used across applications and system components, making it a prime target for exploitation in various attack scenarios.
The technical implementation of this vulnerability stems from improper input validation within the GDI graphics processing pipeline. When a malicious document containing crafted graphics elements is opened or processed by a vulnerable system, the graphics component fails to properly validate the structure and content of the graphics data. This validation failure creates a memory corruption condition that can be exploited to overwrite critical memory locations and redirect execution flow. The vulnerability is classified as a buffer overflow or memory corruption issue that aligns with CWE-121 and CWE-125 categories, which focus on inadequate bounds checking and improper handling of memory operations. Attackers can craft documents that trigger specific memory access patterns leading to arbitrary code execution, typically through the exploitation of stack-based or heap-based buffer overflows within the graphics processing code paths.
The operational impact of CVE-2016-0170 extends beyond simple remote code execution, as it provides attackers with a persistent foothold within compromised systems that can be leveraged for further exploitation. The vulnerability affects systems running Windows Vista SP2 through Windows 10 1511, representing a broad attack surface that includes enterprise environments, desktop systems, and server deployments. This widespread impact is particularly dangerous in enterprise settings where users frequently open documents from untrusted sources, making the vulnerability exploitable through email attachments, web downloads, or file sharing mechanisms. The attack vector typically involves social engineering campaigns where users are tricked into opening malicious documents, which then trigger the vulnerability during normal graphics processing operations. This vulnerability is commonly mapped to ATT&CK technique T1203 and T1059, which describe the use of malicious documents to gain initial access and execute code through system processes.
Mitigation strategies for CVE-2016-0170 focus on both immediate patching and operational security measures to reduce the attack surface. Microsoft released security updates in March 2016 that addressed this vulnerability through proper input validation and memory handling within the GDI component. Organizations should prioritize immediate deployment of these patches across all affected systems, particularly those running vulnerable versions of Windows. Additional mitigations include implementing application whitelisting policies to restrict execution of untrusted documents, configuring email filtering systems to block suspicious attachments, and enabling protected view modes in Microsoft Office applications to prevent automatic execution of potentially malicious content. Network segmentation and monitoring can help detect exploitation attempts by identifying unusual graphics processing activity or outbound connections from compromised systems. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies that protect against multiple attack vectors. Organizations should also conduct regular security assessments to identify systems running vulnerable versions of Windows and ensure proper remediation procedures are in place to address such critical vulnerabilities.