CVE-2024-43630

Stack-based Buffer Overflow (CWE-121)

Published: Nov 12, 2024

010
CVSS 7.8EPSS 0.04%High
CVE info copied to clipboard

Summary

Windows Kernel Elevation of Privilege Vulnerability. This is a local vulnerability with low attack complexity and low privileges required. It has high impact on confidentiality, integrity, and availability. The vulnerability is associated with a Stack-based Buffer Overflow (CWE-121).

Impact

This vulnerability allows an attacker with low privileges to elevate their privileges on a Windows system. The attacker could potentially gain full control over the affected system, compromising the confidentiality, integrity, and availability of data and resources. This could lead to unauthorized access to sensitive information, modification of system settings, and disruption of system operations. The CVSS v3.1 base score is 7.8, indicating a high severity level.

Exploitation

There is no evidence that a public proof-of-concept exists. There is no evidence of proof of exploitation at the moment.

Patch

A patch is available. Microsoft has released an official fix for this vulnerability as of November 12, 2024. The security team should prioritize applying this patch to affected Windows systems.

Mitigation

1. Apply the official patch released by Microsoft as soon as possible. 2. Implement the principle of least privilege, ensuring users and processes only have the minimum necessary permissions. 3. Regularly update and patch Windows systems to protect against known vulnerabilities. 4. Monitor systems for suspicious activities that might indicate exploitation attempts. 5. Use endpoint detection and response (EDR) solutions to detect and prevent potential exploitation. 6. Implement network segmentation to limit the potential spread if a system is compromised.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Timeline

Detection in Vulnerability Scanners

Detection for the vulnerability has been added to Qualys (92186)

Nov 12, 2024 at 7:53 AM
First Article

Feedly found the first article mentioning CVE-2024-43630. See article

Nov 12, 2024 at 6:00 PM / Microsoft Security Advisories - MSRC
CVSS Estimate

Feedly estimated the CVSS score as MEDIUM

Nov 12, 2024 at 6:01 PM
CVE Assignment

NVD published the first details for CVE-2024-43630

Nov 12, 2024 at 6:15 PM
EPSS

EPSS Score was set to: 0.04% (Percentile: 10.1%)

Nov 13, 2024 at 5:06 PM
EPSS

EPSS Score was set to: 0.04% (Percentile: 10.2%)

Nov 18, 2024 at 6:50 PM
Static CVE Timeline Graph

Affected Systems

Microsoft/windows_server_2022_23h2
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Patches

Microsoft
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References

Windows Kernel Elevation of Privilege Vulnerability
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

News

2024-45 - Adobe, Mozilla, Canonical, Red Hat, Microsoft, Google, Jenkins, GitHub, Spring 🗂️
Advisory Week Week 45, 2024 National Cyber Awareness System CISA Releases Nineteen Industrial Control Systems Advisories CISA Adds Two Known Exploited Vulnerabilities to Catalog Palo Alto Networks Emphasizes Hardening Guidance Fortinet Releases Security Updates for Multiple Products Microsoft Releases November 2024 Security Updates Adobe Releases Security Updates for Multiple Products Ivanti Releases Security Updates for Multiple Products JCDC’s Collaborative Efforts Enhance Cybersecurity for the 2024 Olympic and Paralympic Games Citrix Releases Security Updates for NetScaler and Citrix Session Recording CISA Releases Five Industrial Control Systems Advisories CISA, FBI, NSA, and International Partners Release Joint Advisory on 2023 Top Routinely Exploited Vulnerabilities CISA Adds Five Known Exploited Vulnerabilities to Catalog Adobe Security Bulletins and Advisories Security updates available for Adobe Photoshop APSB24-89 Security Updates Available for Adobe Commerce APSB24-90 Security Updates Available for Adobe Illustrator APSB24-66 APSB24-87 Security Update Available for Adobe InDesign APSB24-88 Security Updates Available for Adobe Bridge APSB24-77 Security Updates Available for Adobe Audition APSB24-83 Mozilla Security Advisories Security Vulnerabilities fixed in Thunderbird 132.0.1 mfsa2024-62 Security Vulnerabilities fixed in Thunderbird 128.4.3 mfsa2024-61 Ubuntu Security Notices Linux kernel vulnerabilities: USN-7089-6 / USN-7088-5 / USN-7089-5 / USN-7110-1 / USN-7089-4 / USN-7100-2 / USN-7100-1 GD Graphics Library vulnerability: USN-7112-1 Go vulnerabilities: USN-7111-1 / USN-7109-1 Linux kernel vulnerability:
Microsoft’s Security Update in November on High-Risk Vulnerabilities in Multiple Products
On November 13, NSFOCUS CERT detected that Microsoft released a security update patch for November, which fixed 89 security issues, including Windows, Microsoft SQL Server, Microsoft Office, Azure, Open Source Software, Microsoft Visual Studio, System Center and other widely used products, including high-risk vulnerabilities such as privilege escalation vulnerability and remote code execution vulnerability. Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
1.771
Atlassian Confluence Server CVE-2023-22505 Remote Code Execution Vulnerability Atlassian Confluence Server CVE-2023-22508 Remote Code Execution Vulnerability
Patch Tuesday November 2024 - 3 Zero Days!
So, without further ado, here’s the chart of MS patches that affect Windows platforms in the past month. Of this months patches only 8 are critical and 88 important.
November Patch Tuesday loads up everyone’s plate – Sophos News
We are as always including at the end of this post additional appendices listing all Microsoft’s patches, sorted by severity, by predicted exploitability, and by product family. This Important-severity spoofing vulnerability, which Microsoft believes to be more likely to be exploited within the next 30 days, has a rather specific set of post-installation instructions, which can be seen on the company’s site.
See 36 more articles and social media posts

CVSS V3.1

Attack Vector:Local
Attack Complexity:Low
Privileges Required:Low
User Interaction:None
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability Impact:High

Categories

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