CVE-2021-42976

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

CVSS v3 8.8 HIGH
CVSS v2.0 7.2 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

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 Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nomachine:enterprise_desktop:*:*:*:*:*:*:*:*

History

08 Dec 2021, 16:47

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 8.8
CPE		cpe:2.3:a:nomachine:enterprise_desktop::::::::
CWE		CWE-120
References	~~(MISC) https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ -~~	(MISC) https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ - Exploit, Technical Description, Third Party Advisory

07 Dec 2021, 20:31

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-07 20:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-42976

Mitre link : CVE-2021-42976

CVE.ORG link : CVE-2021-42976

JSON object : View

Products Affected

nomachine

enterprise_desktop

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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