Vulnerability identifier: #VU78447

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-3299

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 API caller’s ACL token secret ID is exposed to Sentinel policies. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nomad Enterprise: 1.2.11 - 1.5.6

Nomad: 1.2.11 - 1.2.16, 1.3.0 - 1.3.15, 1.5.0 - 1.5.6

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External links
http://discuss.hashicorp.com/t/hcsec-2023-21-nomad-caller-acl-tokens-secret-id-is-exposed-to-sentinel/56271
http://github.com/hashicorp/nomad/issues/17907

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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.