CVE-2018-8348 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 affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8341.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/15/2024
The vulnerability described in CVE-2018-8348 represents a critical information disclosure flaw within the Windows kernel's memory management operations. This vulnerability stems from improper handling of objects in memory by the kernel component, creating potential pathways for unauthorized information exposure. The flaw affects a broad range of Windows operating systems including legacy versions like Windows 7 and Server 2008, as well as newer releases such as Windows 10 and Server 2016, making it particularly concerning from a security perspective. The vulnerability is categorized under CWE-200, which specifically addresses "Information Exposure" in software systems, indicating that the flaw allows for unintended information leakage that could be exploited by malicious actors.
The technical nature of this vulnerability involves the Windows kernel's memory management subsystem failing to properly validate or handle certain memory objects during processing operations. When the kernel encounters specific memory structures or objects, it does not adequately sanitize or protect the memory contents, potentially allowing attackers to access sensitive information that should remain protected within kernel memory space. This improper handling creates opportunities for information leakage that could expose system internals, memory addresses, or other confidential data that would normally be restricted to privileged kernel operations. The vulnerability specifically impacts the kernel's object management routines and memory allocation processes, where insufficient boundary checking or validation allows for information disclosure.
From an operational impact perspective, this vulnerability poses significant risks to system security and integrity across affected platforms. Attackers could potentially exploit this information disclosure to gather sensitive system information that would aid in planning more sophisticated attacks against the targeted systems. The leaked information might include kernel memory addresses, system configuration details, or other internal state information that could be used to bypass security controls or facilitate further exploitation attempts. This vulnerability is particularly dangerous because it operates at the kernel level where the most sensitive system information resides, making it a prime target for attackers seeking to establish persistent access or escalate privileges within compromised systems.
The exploitation of this vulnerability aligns with tactics described in the MITRE ATT&CK framework under the Information Discovery technique, where adversaries seek to gather information about the system environment to inform their attack strategies. Organizations affected by this vulnerability should implement immediate mitigation measures including applying the relevant security patches provided by Microsoft, monitoring for suspicious memory access patterns, and conducting thorough security assessments of their affected systems. The vulnerability's widespread impact across multiple Windows versions necessitates comprehensive patch management procedures and security hardening measures to prevent exploitation attempts. System administrators should also consider implementing additional monitoring controls to detect potential exploitation attempts and maintain continuous security posture assessment to identify any residual risks associated with this information disclosure vulnerability.