#VU69422 Information disclosure in Consul Enterprise and Consul - CVE-2022-3920

Vulnerability identifier: #VU69422

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-3920

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Consul Enterprise
Server applications / Other server solutions
Consul
Server applications / Other server solutions

Vendor: HashiCorp

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

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

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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.