Multiple vulnerabilities in HashiCorp Nomad and Nomad Enterprise

Published: 2020-02-05

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-7218 CVE-2020-7956
CWE-ID	CWE-400 CWE-295
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Nomad Server applications / Virtualization software Nomad Enterprise Web applications / Modules and components for CMS
Vendor	HashiCorp

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU24939

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7218

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to unbounded resource usage via HTTP and RPC services. A remote attacker can trigger resource exhaustion and crash the target server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nomad: 0.1.0 - 0.10.2

Nomad Enterprise: 0.1.0 - 0.10.2

External links

http://github.com/hashicorp/nomad/issues/7002
http://www.hashicorp.com/blog/category/nomad/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Certificate Validation

EUVDB-ID: #VU24940

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7956

CWE-ID: CWE-295 - Improper Certificate Validation