#VU78446 Information disclosure in Nomad Enterprise and Nomad - CVE-2023-3300

Vulnerability identifier: #VU78446

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-3300

CWE-ID: CWE-200

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 access to potentially sensitive information.

The vulnerability exists due to the HTTP search API can reveal names of available CSI plugins. A remote user can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nomad Enterprise: 0.0.0 - 1.5.6

Nomad: 0.0.0, 0.10.6 - 0.12.12, 1.0.0 - 1.0.18, 1.1.0 - 1.1.18, 1.2.0 - 1.2.16, 1.3.0 - 1.3.15, 1.4.0, 1.5.0 - 1.5.6

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External links
https://discuss.hashicorp.com/t/hcsec-2023-22-nomad-search-api-leaks-information-about-csi-plugins/56272
https://github.com/hashicorp/nomad/issues/17906

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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