Buffer Overflow Vulnerability in NoMachine Enterprise Desktop
CVE-2021-42976

8.8HIGH

Key Information:

Vendor

Nomachine

Status
Enterprise Desktop
Vendor
CVE Published:
7 December 2021

What is CVE-2021-42976?

The NoMachine Enterprise Desktop software has a buffer overflow vulnerability in the IOCTL Handler 0x22001B. This flaw exists in versions above 4.0.346 and below 7.7.4, allowing local attackers to exploit the vulnerability. An attacker can craft specific I/O Request Packets that may lead to arbitrary code execution in kernel mode, potentially resulting in memory corruption or system crashes. Users are urged to update their installations to mitigate this risk.

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References

https://www.sentinelone.com/labs/usb-over-ethernet-multip...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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