CVE-2022-3920 Consul Peering Imported Nodes/Services Leak

Medium 5.3 Published Updated

Attackers can view imported nodes and services via UI endpoints in Consul peering configurations, exposing internal topology details.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-3920?

CVE-2022-3920 is a medium-severity vulnerability in HashiCorp Consul, published on 15 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HashiCorp Consul and Consul Enterprise 1.13.0 up to 1.13.3 do not filter cluster filtering's imported nodes and services for HTTP or RPC endpoints used by the UI. Fixed in 1.14.0.

Weakness: CWE-862

Which versions are affected by CVE-2022-3920?

4 open source packages ship an affected version, including github.com/hashicorp/consul and consul. It affects 1 product.

PackageAffectedFixed in
github.com/hashicorp/consul GoFrom 1.13.01.14.0
github.com/hashicorp/consul GoFrom 1.13.01.14.0
github.com/hashicorp/consul GoFrom 1.13.01.14.0
consul BitnamiFrom 1.13.01.13.4

Products include Hashicorp Consul.

How do I fix CVE-2022-3920?

Upgrade github.com/hashicorp/consul to 1.14.0 or later.

Is CVE-2022-3920 being exploited?

There is no known exploitation of CVE-2022-3920 in the wild and no public exploit code.

Sources

Also known as BIT-consul-2022-3920, GHSA-gw2g-hhc9-wgjh, GO-2022-1121, UBUNTU-CVE-2022-3920.

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