CVE-2018-19653
MEDIUM5.9EPSS 0.43%HashiCorp Consul can use cleartext agent-to-agent RPC communication in github.com/hashicorp/consul
Published: 5/14/2022Modified: 4/28/2026
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.
Affected packages (3)
- Debian/consulfrom 0, < 1.4.4~dfsg1-1
- Go/github.com/hashicorp/consul>= 0.5.1, < 1.4.1
- Go/github.com/hashicorp/consul>= 0.5.1, < 1.4.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-4qvx-qq5w-695p
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2018-19653
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2018-19653
- PATCHhttps://github.com/hashicorp/consul
- WEBhttps://github.com/hashicorp/consul/commit/b64e8b262f80397eab4f39c6ae7e14683cb9f55c
- WEBhttps://github.com/hashicorp/consul/pull/5069
- WEBhttps://groups.google.com/forum/#!topic/consul-tool/7TCw06oio0I