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CVE-2024-30037: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1809

Medium
VulnerabilityCVE-2024-30037cvecve-2024-30037cwe-125
Published: Tue May 14 2024 (05/14/2024, 16:57:25 UTC)
Source: CVE
Vendor/Project: Microsoft
Product: Windows 10 Version 1809

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

AI-Powered Analysis

AILast updated: 06/26/2025, 04:44:11 UTC

Technical Analysis

CVE-2024-30037 is a medium-severity vulnerability identified in the Windows Common Log File System (CLFS) driver affecting Microsoft Windows 10 Version 1809 (build 10.0.17763.0). The underlying issue is an out-of-bounds read (CWE-125), which occurs when the CLFS driver improperly handles memory boundaries, potentially allowing an attacker to read memory outside the intended buffer. This vulnerability is classified as an elevation of privilege (EoP) flaw, meaning that a local attacker with limited privileges (low-level privileges) could exploit this bug to increase their access rights on the affected system. The CVSS v3.1 base score is 5.5, reflecting a medium severity level. The attack vector is local (AV:L), requiring the attacker to have some level of access to the system (PR:L), but no user interaction is needed (UI:N). The vulnerability does not impact confidentiality or integrity but affects availability (A:H), indicating that exploitation could cause system instability or crashes. The scope remains unchanged (S:U), meaning the vulnerability affects only the vulnerable component without impacting other system components. No known exploits are currently in the wild, and no patches have been linked yet. The vulnerability was reserved in March 2024 and published in May 2024. Given the affected product is Windows 10 Version 1809, which is an older version of Windows 10, this vulnerability primarily concerns organizations still running legacy systems without current updates or support. The CLFS driver is a core component used for logging by various Windows services and applications, so exploitation could disrupt logging functionality or cause denial-of-service conditions, potentially impacting system monitoring and forensic capabilities.

Potential Impact

For European organizations, the primary impact of CVE-2024-30037 lies in the potential for local attackers to elevate privileges on systems running Windows 10 Version 1809. This could enable malicious insiders or attackers who have gained limited access to compromise system stability or disrupt logging services, which are critical for security monitoring and incident response. The availability impact could lead to system crashes or denial-of-service conditions, affecting business continuity, especially in environments relying on legacy Windows 10 deployments. Although confidentiality and integrity are not directly impacted, the loss of logging availability can hinder detection of other malicious activities, indirectly increasing risk. Organizations in sectors with strict compliance requirements (e.g., finance, healthcare, critical infrastructure) may face regulatory challenges if logging is impaired. The vulnerability is less likely to be exploited remotely, reducing risk from external attackers, but insider threats or malware with local access capabilities could leverage this flaw. Given that Windows 10 Version 1809 is past mainstream support, organizations that have not upgraded or patched their systems remain vulnerable, increasing their exposure to potential attacks.

Mitigation Recommendations

1. Upgrade and Patch: The most effective mitigation is to upgrade affected systems to a supported and fully patched version of Windows 10 or later (e.g., Windows 10 Version 21H2 or Windows 11). If upgrading is not immediately feasible, monitor Microsoft security advisories for patches addressing CVE-2024-30037 and apply them promptly once available. 2. Limit Local Access: Restrict local user accounts and enforce the principle of least privilege to minimize the number of users who can execute code or access the system locally. 3. Application Whitelisting: Implement application control policies to prevent unauthorized code execution that could exploit this vulnerability. 4. Monitor System Stability and Logs: Since the vulnerability affects the logging subsystem, closely monitor system logs for unusual crashes or service interruptions that may indicate exploitation attempts. 5. Endpoint Detection and Response (EDR): Deploy EDR solutions capable of detecting anomalous local privilege escalation behaviors and respond to suspicious activities in real time. 6. Network Segmentation: Isolate legacy systems running Windows 10 Version 1809 from critical network segments to reduce the risk of lateral movement if compromised. 7. User Awareness and Insider Threat Programs: Educate users about the risks of local exploits and enforce policies to detect and mitigate insider threats. These steps go beyond generic advice by focusing on controlling local access, monitoring the specific subsystem affected, and prioritizing system upgrades.

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Technical Details

Data Version
5.1
Assigner Short Name
microsoft
Date Reserved
2024-03-22T23:12:13.405Z
Cisa Enriched
true
Cvss Version
3.1
State
PUBLISHED

Threat ID: 682d9837c4522896dcbeb6b6

Added to database: 5/21/2025, 9:09:11 AM

Last enriched: 6/26/2025, 4:44:11 AM

Last updated: 8/10/2025, 2:08:27 AM

Views: 12

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