Information disclosure in HashiCorp Nomad and Nomad Enterprise

1) Information disclosure

EUVDB-ID: #VU78446

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3300

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

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 - 1.5.6

External links

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

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.