#VU74577 Improper access control in Nomad Enterprise and Nomad - CVE-2023-1782

Vulnerability identifier: #VU74577

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-1782

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Nomad Enterprise
Web applications / Modules and components for CMS
Nomad
Server applications / Virtualization software

Vendor: HashiCorp

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and send unauthenticated HTTP API requests through the client.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nomad Enterprise: 1.5.0 - 1.5.2

Nomad: 1.5.0 - 1.5.2

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External links
https://discuss.hashicorp.com/t/hcsec-2023-12-nomad-unauthenticated-client-agent-http-request-privilege-escalation/52375

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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.