CVE-2019-1010 in Windows
Summary
by MITRE
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka 'Windows GDI Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0968, CVE-2019-0977, CVE-2019-1009, CVE-2019-1011, CVE-2019-1012, CVE-2019-1013, CVE-2019-1015, CVE-2019-1016, CVE-2019-1046, CVE-2019-1047, CVE-2019-1048, CVE-2019-1049, CVE-2019-1050.
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Analysis
by VulDB Data Team • 05/20/2025
The Windows Graphics Device Interface GDI component vulnerability represents a critical information disclosure flaw that affects the operating system's core graphics subsystem. This vulnerability specifically manifests when the GDI component fails to properly manage memory boundaries during graphics processing operations, leading to unintended data exposure. The issue impacts multiple Windows versions including Windows 7, Windows Server 2008 R2, Windows 8.1, Windows Server 2012, Windows Server 2012 R2, Windows 10, and Windows Server 2016, making it a widespread concern across enterprise environments. The vulnerability falls under CWE-200, which specifically addresses information exposure, and aligns with ATT&CK technique T1005 for data from local system, demonstrating how attackers can leverage such flaws to extract sensitive information from memory regions that should remain protected.
The technical exploitation of this vulnerability occurs through improper handling of graphics objects and memory pointers within the GDI subsystem. When applications interact with graphics rendering functions, particularly those involving bitmaps, fonts, or drawing operations, the vulnerable GDI component may inadvertently expose memory contents that contain sensitive data such as cryptographic keys, user credentials, application data, or system configuration details. Attackers can craft specific graphics operations that trigger memory access violations or improper memory management, resulting in data leakage that can be harvested by malicious actors. This type of vulnerability represents a classic case of improper access control where memory boundaries are not properly enforced during graphics processing operations, allowing unauthorized data access that violates fundamental security principles of information protection.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can enable more sophisticated attacks including credential theft, privilege escalation, and system compromise. Organizations running affected Windows systems face significant risk of data breaches, particularly in environments where sensitive information is processed through graphics-intensive applications or where the vulnerability could be exploited to gain insights into system memory structures. The vulnerability's presence in core Windows components means that exploitation can occur through legitimate graphics processing paths, making detection and prevention challenging. Security teams must consider this vulnerability as part of their broader threat landscape, particularly when assessing risks associated with remote code execution scenarios or when analyzing memory dumps from compromised systems.
Mitigation strategies for this vulnerability require a multi-layered approach combining immediate patching with operational security measures. Microsoft released security updates that address the underlying memory management issues in the GDI component, and organizations should prioritize deployment of these patches across all affected systems. Network segmentation and access controls should be implemented to limit exposure of graphics-intensive applications to untrusted networks or users. Memory protection mechanisms including address space layout randomization and data execution prevention should be enabled to reduce exploitation success rates. System monitoring should include detection of unusual graphics processing patterns that might indicate exploitation attempts, and incident response procedures should account for potential memory-based data leakage. The vulnerability highlights the importance of maintaining up-to-date security patches and implementing comprehensive security architectures that protect against both known and emerging threats in operating system components.