CVE-2014-6322 in Windows
Summary
by MITRE
The Windows Audio service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to gain privileges via a crafted web site, as demonstrated by execution of web script in Internet Explorer, aka "Windows Audio Service Vulnerability."
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Analysis
by VulDB Data Team • 12/14/2024
The Windows Audio service vulnerability identified as CVE-2014-6322 represents a critical privilege escalation flaw affecting multiple Microsoft Windows operating systems including Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1. This vulnerability resides within the Windows Audio service component that handles audio processing and playback functionality, making it a prime target for exploitation due to its widespread presence across enterprise environments. The flaw specifically allows remote attackers to execute arbitrary code with elevated privileges, potentially enabling full system compromise from a remote location.
The technical exploitation of this vulnerability occurs through a crafted website that leverages Internet Explorer's web scripting capabilities to trigger the vulnerable Windows Audio service component. When a user visits the malicious website, the crafted web content can manipulate the audio service to execute malicious code with system-level privileges. This represents a classic browser-based attack vector that exploits the trust relationship between web browsers and system services, allowing attackers to bypass standard security boundaries. The vulnerability stems from insufficient input validation and improper privilege handling within the audio service's processing pipeline, creating an execution path that can be manipulated through carefully crafted web content.
The operational impact of CVE-2014-6322 is severe and far-reaching across enterprise environments where Windows systems are prevalent. Attackers can leverage this vulnerability to establish persistent access to target systems, potentially leading to complete network compromise and data exfiltration. The vulnerability affects systems running various Windows versions simultaneously, creating a broad attack surface that makes it particularly dangerous for organizations with mixed Windows environments. Organizations face significant risk of unauthorized access, system corruption, and potential lateral movement within their networks, as the compromised system can serve as a foothold for further attacks. The vulnerability's ability to be triggered through web browsing activities means that users can be compromised simply by visiting malicious websites, making it particularly challenging to defend against.
Mitigation strategies for CVE-2014-6322 should include immediate deployment of Microsoft security patches, which address the underlying privilege escalation flaw in the Windows Audio service. Organizations should implement network-based protections such as web application firewalls and content filtering solutions to block access to known malicious domains. Security teams should also consider implementing application whitelisting policies to restrict execution of unauthorized audio processing components. The vulnerability aligns with CWE-264, which addresses permissions, privileges, and access control issues, and maps to ATT&CK technique T1068, which covers exploit for privilege escalation. Additionally, organizations should conduct regular vulnerability assessments to identify systems running affected Windows versions and ensure proper patch management procedures are in place to prevent similar vulnerabilities from being exploited in the future.