Heap-based buffer overflow in Microsoft Windows and Windows Server - CVE-2024-38045

Vulnerability identifier: #VU97022

CSH Severity: High

CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-38045

CWE-ID: CWE-122

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability exists due to a boundary error within the Windows TCP/IP implementation when handling network packets. A remote attacker can send specially crafted traffic to the system, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that the NetNAT service is configured (not a default configuration).

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.4894, 10 22H2 10.0.19041.4894, 10 22H2 10.0.19045.4894, 10 1809 10.0.17763.6293, 11 21H2 10.0.22000.3197, 11 22H2 10.0.22621.4169, 11 23H2 10.0.22631.4169, 11 24H2 10.0.26100.1742
Windows Server - addressed in versions 2022 23H2 10.0.25398.1128, 2022 10.0.20348.2695, 2022 10.0.20348.2700

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-38045

• Two remote code execution vulnerabilities in Microsoft Windows NetNAT service