NoMachine Enterprise Client is affected by Buffer Overflow. IOCTL Handler 0x22001B in the NoMachine Enterprise Client above 4.0.346 and below 7.7.4 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-42983
• https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/