CVE-2019-1472 in Windows
Summary
by MITRE
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-1474.
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Analysis
by VulDB Data Team • 03/09/2024
The vulnerability described in CVE-2019-1472 represents a critical information disclosure flaw within the Windows kernel's memory management operations. This weakness allows attackers to potentially extract sensitive data from kernel memory regions that should remain protected from user-mode access. The issue stems from improper handling of kernel objects during memory operations, creating pathways for unauthorized data exposure that could compromise system security. Such vulnerabilities are particularly dangerous because they operate at the kernel level where privileges are highest and security boundaries are most critical.
The technical implementation of this vulnerability involves the Windows kernel's failure to properly validate or sanitize memory object references during processing operations. When kernel components interact with memory structures, they do not adequately verify the legitimacy or security boundaries of these objects, leading to potential information leakage. This flaw typically manifests when the kernel attempts to access or manipulate memory regions that contain sensitive operational data, configuration parameters, or security credentials. The vulnerability falls under the category of improper handling of kernel objects, which is classified as CWE-248 in the Common Weakness Enumeration catalog, representing an unspecified flaw in kernel memory management.
From an operational perspective, this information disclosure vulnerability presents significant risks to system integrity and confidentiality. Attackers could potentially leverage this weakness to extract kernel memory contents that might include sensitive data such as cryptographic keys, security tokens, or system configuration details. The impact extends beyond simple data exposure since such information could enable more sophisticated attacks including privilege escalation, credential harvesting, or targeted exploitation of other system components. This vulnerability affects multiple Windows operating system versions and could be exploited remotely or locally depending on the specific attack vector, making it particularly concerning for enterprise environments where system isolation is critical.
Mitigation strategies for CVE-2019-1472 should focus on immediate patch deployment through Microsoft's regular security updates, as the vendor has released specific fixes for this vulnerability. System administrators should prioritize applying the relevant Windows updates and security patches to prevent exploitation. Additionally, implementing network segmentation and access controls can help limit potential attack surfaces, while monitoring for unusual memory access patterns or unauthorized data retrieval attempts can aid in early detection of exploitation attempts. Organizations should also consider implementing kernel-mode exploit protection mechanisms and maintaining comprehensive system monitoring to detect potential abuse of this information disclosure vulnerability, which aligns with the defensive techniques outlined in the MITRE ATT&CK framework under the information gathering and privilege escalation domains.