Heap-based buffer overflow in Microsoft Windows and Windows Server - CVE-2024-21416
Published: September 10, 2024
Vulnerability identifier: #VU97021
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-2024-21416
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
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).
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2024-21416
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
Windows Server - addressed in versions 2022 23H2 10.0.25398.1128, 2022 10.0.20348.2695, 2022 10.0.20348.2700