Integer underflow in Microsoft Windows and Windows Server - CVE-2024-37975

Vulnerability identifier: #VU94014

CSH Severity: Medium

CVSS v4 BT: 5.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-37975

CWE-ID: CWE-191

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to integer underflow in Secure Boot. A remote attacker on the local network can send a specially crafted request to the affected application, trigger integer underflow and bypass Secure Boot.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.4651, 10 22H2 10.0.19045.4651, 10 1507 10.0.10240.20710, 10 1607 10.0.14393.7159, 10 1809 10.0.17763.6054, 11 21H2 10.0.22000.3079, 11 22H2 10.0.22621.3880, 11 23H2 10.0.22631.3880
Windows Server - addressed in versions 2012 R2 6.3.9600.22074, 2012 6.2.9200.24975, 2016 10.0.14393.7159, 2022 10.0.20348.2582

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-37975

• Multiple vulnerabilities in Microsoft Secure Boot