CVE-2019-19752

Severity CVSS v4.0:

Pending analysis

Type:

CWE-321 Use of Hard-coded Cryptographic Key

Publication date:

30/04/2024

Last modified:

25/03/2025

Description

nvOC through 3.2 ships with SSH host keys baked into the installation image, which allows man-in-the-middle attacks and makes identification of all public IPv4 nodes trivial with Shodan.io. NOTE: as of 2019-12-01, the vendor indicated plans to fix this in the next image build.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

https://github.com/papampi/nvOC_by_fullzero_Community_Release/commits/release
https://rsaxvc.net/blog/2020/4/10/Widespread_re-use_of_SSH_Host_Keys_in_Ethereum_Mining_Rig_Operating_Systems.html
https://github.com/papampi/nvOC_by_fullzero_Community_Release/commits/release
https://rsaxvc.net/blog/2020/4/10/Widespread_re-use_of_SSH_Host_Keys_in_Ethereum_Mining_Rig_Operating_Systems.html