CVE-2016-7273 in Windows
Summary
by MITRE
The Graphics component in Microsoft Windows 10 Gold, 1511, and 1607 and Windows Server 2016 allows remote attackers to execute arbitrary code via a crafted web site, aka "Windows Graphics Remote Code Execution Vulnerability."
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Analysis
by VulDB Data Team • 10/08/2022
The vulnerability identified as CVE-2016-7273 represents a critical remote code execution flaw within the graphics component of Microsoft Windows operating systems. This vulnerability affects Windows 10 versions 1511 and 1607, as well as Windows Server 2016, making it particularly concerning given the widespread deployment of these systems across enterprise environments. The flaw resides in how the Windows graphics subsystem processes specially crafted content, creating an avenue for attackers to execute malicious code remotely through web-based delivery mechanisms.
The technical nature of this vulnerability stems from improper input validation within the graphics rendering pipeline of Windows. When a user visits a malicious website containing specially crafted graphics content, the vulnerable component fails to properly sanitize the input data, allowing attackers to manipulate memory structures and execute arbitrary code with the privileges of the targeted user. This type of vulnerability falls under the CWE-125 weakness category, which specifically addresses out-of-bounds read conditions that can lead to memory corruption and potential code execution. The attack vector is particularly dangerous because it leverages web browsing as the initial delivery mechanism, making it accessible through standard user interactions with compromised websites.
The operational impact of CVE-2016-7273 extends beyond simple remote code execution, as it provides attackers with the ability to establish persistent access to affected systems. Once successfully exploited, attackers can escalate privileges, install additional malware, and potentially move laterally within network environments. This vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as well as T1068 for exploit for privilege escalation, making it a significant threat to enterprise security postures. The vulnerability's presence in Windows 10 versions 1511 and 1607, which were widely deployed in corporate environments, meant that organizations faced substantial risk exposure, particularly in sectors where web browsing was essential for business operations.
Mitigation strategies for this vulnerability require immediate patch deployment through Microsoft's regular security updates, as the company released a critical update addressing this specific flaw in their monthly security bulletin cycle. Organizations should implement network-based protections including web application firewalls and content filtering systems to prevent access to known malicious domains. Additionally, user education regarding safe browsing practices and the importance of keeping systems updated remains crucial. Security teams should consider implementing endpoint detection and response solutions to monitor for suspicious graphics-related processes and memory access patterns. The vulnerability also highlights the importance of maintaining updated threat intelligence feeds to identify and block malicious websites that may attempt to exploit this and similar graphics-related vulnerabilities. Organizations with legacy systems or those unable to immediately deploy patches should consider implementing network segmentation and access controls to limit potential damage from successful exploitation attempts.