Bypass Vulnerability Discovered in Secure Boot Security Feature
CVE-2023-24932

6.7MEDIUM

Key Information:

Vendor
Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
9 May 2023

Badges

💰 Ransomware👾 Exploit Exists📰 News Worthy

Summary

A significant vulnerability exists within the Secure Boot feature of various Microsoft products. This security concern could allow cybercriminals to bypass the Secure Boot mechanism, potentially granting them unauthorized access to critical system components. As Secure Boot is designed to prevent the loading of unauthorized firmware and operating systems, the exploitation of this flaw poses substantial risks to the integrity and security of affected systems. Organizations using vulnerable Microsoft products should prioritize applying necessary patches and updates to safeguard their environments.

Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.20710

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.7159

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.6054

News Articles

favicon imageTechTarget

Four zero-days fixed for September Patch Tuesday | TechTarget

September Patch Tuesday resolves four zero-days with the most pressing one affecting the Windows Update feature.

4 months ago

favicon imageNeowin

KB5025885: Microsoft announces Windows CVE-2023-24932 Black Lotus patch deployment phase

Microsoft has announced the deployment phase for the BlackLotus patch, along wi its details. If you are not aware, BlackLotus is a UEFI Secure Boot vulnerability that affects Windows 11, 10, and more.

6 months ago

favicon imageKrebs on Security

Microsoft Patch Tuesday, May 2023 Edition

Microsoft today released software updates to fix at least four dozen security holes in its Windows operating systems and other software, including patches for two zero-day vulnerabilities that are already being exploited in active attacks.

9 months ago

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • 📰

    First article discovered by BleepingComputer

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre DatabaseMicrosoft Feed12 News Article(s)
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