#VU73272 Security features bypass in Nomad Enterprise - CVE-2023-1296

Vulnerability identifier: #VU73272

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-2023-1296

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

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

Vendor: HashiCorp

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error in the workload-associated policy with a deny capability, which was ignored for the workload's own variables. A remote attacker can bypass implemented ACLs and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Nomad Enterprise: 1.4.0 - 1.5.0

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External links
https://github.com/hashicorp/nomad/issues/16349
https://github.com/hashicorp/nomad/releases/tag/v1.4.6
https://github.com/hashicorp/nomad/releases/tag/v1.5.1

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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.