CVE Vulnerability

CVE-2021-42979

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

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ Exploit Technical Description
Configurations

Configuration 1

cpe:2.3:a:nomachine:cloud_server:*:*:*:*:*:*:*:*
Information

Published : 2021-12-07 08:15

Updated : 2021-12-08 04:30

NVD link : CVE-2021-42979

Mitre link : CVE-2021-42979

Products Affected
No products.
CWE
CWE-190