Buffer Overflow Vulnerability in NoMachine Server: Local Code Execution and Denial of Service

Buffer Overflow Vulnerability in NoMachine Server: Local Code Execution and Denial of Service

CVE-2021-42972 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NoMachine Server is affected by Buffer Overflow. IOCTL Handler 0x22001B in the NoMachine Server 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.

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