PT-2021-21582 · Hashicorp · Nomad Enterprise+1

Published 2021-09-07 · Updated 2024-08-21 · CVE-2021-37218

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions HashiCorp Nomad and Nomad Enterprise versions prior to 1.0.10 HashiCorp Nomad and Nomad Enterprise versions prior to 1.1.4

Description The issue allows non-server agents with a valid certificate signed by the same CA to access server-only functionality, enabling privilege escalation.

Recommendations For HashiCorp Nomad and Nomad Enterprise versions prior to 1.0.10, update to version 1.0.10 or later. For HashiCorp Nomad and Nomad Enterprise versions prior to 1.1.4, update to version 1.1.4 or later.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2021-37218

GHSA-C8X3-RG72-FWWG

GO-2022-0591

Affected Products

Hashicorp Nomad

Nomad Enterprise

References · 12

• https://osv.dev/vulnerability/GHSA-c8x3-rg72-fwwg · Vendor Advisory
• https://osv.dev/vulnerability/GO-2022-0591 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-37218 · Vendor Advisory
• https://discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-37218 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37218 · Security Note
• https://hashicorp.com/blog/category/nomad · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-37218 · Security Note
• https://osv.dev/vulnerability/CVE-2021-37218 · Vendor Advisory
• https://github.com/hashicorp/nomad · Note
• https://t.me/cibsecurity/28337 · Telegram Post
• https://github.com/advisories/GHSA-c8x3-rg72-fwwg · Note