CVE-2018-19653 HashiCorp Consul can use cleartext agent-to-agent RPC communication
Improper documentation of verify_outgoing setting allows cleartext agent-to-agent RPC communication, exposing data to interception.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-19653?
CVE-2018-19653 is a medium-severity vulnerability in n/a, published on 9 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
HashiCorp Consul 0.5.1 through 1.4.0 can use cleartext agent-to-agent RPC communication because the verify_outgoing setting is improperly documented. NOTE: the vendor has provided reconfiguration steps that do not require a software upgrade.
Weakness: CWE-310
Which versions are affected by CVE-2018-19653?
3 open source packages ship an affected version, including github.com/hashicorp/consul. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/hashicorp/consul Go | From 0.5.1 | 1.4.1 |
github.com/hashicorp/consul Go | From 0.5.1 | 1.4.1 |
github.com/hashicorp/consul Go | From 0.5.1 | 1.4.1 |
Products include Hashicorp Consul.
How do I fix CVE-2018-19653?
Upgrade github.com/hashicorp/consul to 1.4.1 or later.
Is CVE-2018-19653 being exploited?
There is no known exploitation of CVE-2018-19653 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-41805 Privilege escalation in n/a
- CVE-2021-37219 HashiCorp Consul Privilege Escalation Vulnerability
- CVE-2023-2816 Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner
- CVE-2024-10006 Consul L7 Intentions Vulnerable To Headers Bypass
- CVE-2024-10005 Consul L7 Intentions Vulnerable To URL Path Bypass
Sources
Also known as DEBIAN-CVE-2018-19653, GHSA-4qvx-qq5w-695p, GO-2023-1850, UBUNTU-CVE-2018-19653.