Information disclosure in HashiCorp Consul and Consul Enterprise

1) Information disclosure

EUVDB-ID: #VU69422

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3920

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 affected application does not filter cluster filtering's imported nodes and services for HTTP or RPC endpoints used by the UI. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Consul Enterprise: 1.13.0 - 1.13.3

Consul: 1.13.0 - 1.13.3

External links

http://discuss.hashicorp.com/t/hcsec-2022-28-consul-cluster-peering-leaks-imported-nodes-services-information/46946

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.