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Alpine Linux Development TeamALPINE:CVE-2021-37218

HistorySep 07, 2021 - 12:15 p.m.

CVE-2021-37218

2021-09-0712:15:07

Alpine Linux Development Team

security.alpinelinux.org

cve-2021-37218

hashicorp nomad

nomad enterprise

raft rpc

certificate

privilege escalation

unix

security vulnerability

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

42.8%

JSON

HashiCorp Nomad and Nomad Enterprise Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation. Fixed in 1.0.10 and 1.1.4.

OSVersionArchitecturePackageVersionFilename
Alpine3.15-communitynoarchnomad< 1.1.12-r0UNKNOWN
Alpine3.16-communitynoarchnomad< 1.2.6-r0UNKNOWN
Alpine3.17-communitynoarchnomad< 1.2.6-r0UNKNOWN
Alpine3.18-communitynoarchnomad< 1.2.6-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	3.15-community	noarch	nomad	< 1.1.12-r0	UNKNOWN
Alpine	3.16-community	noarch	nomad	< 1.2.6-r0	UNKNOWN
Alpine	3.17-community	noarch	nomad	< 1.2.6-r0	UNKNOWN
Alpine	3.18-community	noarch	nomad	< 1.2.6-r0	UNKNOWN