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HashiCorp Consul vulnerable to Origin Validation Error

High severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jun 9, 2023

Package

gomod github.com/hashicorp/consul (Go)

Affected versions

< 1.4.4

Patched versions

1.4.4

Description

HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if verify_server_hostname were set to false, even when it is actually set to true. This is fixed in 1.4.4.

References

Published by the National Vulnerability Database Mar 26, 2019
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jun 9, 2023
Last updated Jun 9, 2023

Severity

High
7.4
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CVE ID

CVE-2019-9764

GHSA ID

GHSA-q7fx-wm2p-qfj8

Source code

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