CVE-2014-6355 in Windows
Summary
by MITRE
The Graphics Component in Microsoft Windows Server 2003 SP2, 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 does not properly process JPEG images, which makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Graphics Component Information Disclosure Vulnerability."
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Analysis
by VulDB Data Team • 12/14/2024
The vulnerability identified as CVE-2014-6355 represents a critical security flaw within Microsoft Windows operating systems that affects multiple versions including Windows Server 2003 through Windows 8.1. This issue specifically resides within the Graphics Component responsible for processing JPEG image files, creating a pathway for remote attackers to exploit the system's memory management mechanisms. The vulnerability operates by manipulating how the graphics component handles malformed JPEG data, potentially allowing adversaries to extract memory addresses or other sensitive information that would normally be protected by modern security features.
The technical implementation of this vulnerability stems from improper validation of JPEG image data structures during the parsing process. When a specially crafted JPEG file is processed by the Windows graphics subsystem, the component fails to properly validate memory boundaries and data integrity checks. This flaw creates a condition where attackers can manipulate the parsing behavior to disclose information about the memory layout or application state. The vulnerability specifically targets the Address Space Layout Randomization (ASLR) protection mechanism, which is designed to randomize memory addresses to prevent exploitation of memory corruption vulnerabilities. By leveraging this information disclosure, attackers can effectively bypass ASLR protections and gain insights into system memory organization that would otherwise remain hidden.
The operational impact of CVE-2014-6355 extends beyond simple information disclosure, as it enables more sophisticated attack vectors that could lead to complete system compromise. When combined with other vulnerabilities or used as a stepping stone in a broader attack campaign, this flaw can provide attackers with critical information needed to craft more effective exploits. The vulnerability is particularly dangerous because it can be triggered through web-based attacks, meaning users can be compromised simply by visiting a malicious website or viewing a crafted image file. This makes it an attractive target for cybercriminals who seek to establish persistent access to systems without requiring user interaction beyond normal browsing activities.
Security professionals should note that this vulnerability aligns with CWE-125, which describes "Out-of-bounds Read" conditions, and can be categorized under ATT&CK technique T1059 for command and scripting interpreter usage. The vulnerability demonstrates the importance of proper input validation and memory safety practices in system components that handle user-provided data. Organizations should prioritize patch management and apply Microsoft security updates immediately to address this vulnerability. Additionally, network segmentation and web filtering solutions can provide additional layers of protection while waiting for official patches to be deployed. The flaw serves as a reminder of the critical importance of maintaining up-to-date security measures and the potential consequences of inadequate validation of external data inputs in system components that process multimedia content.