CVE-2019-9764

CVSS V2 Medium 5.8 CVSS V3 High 7.4

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.

Overview

CVE ID
CVE-2019-9764

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-03-26T14:29:00

Last Modified Date
2020-08-24T17:37:01

Weakness Enumerations

CWE	URL
CWE-346	http://cwe.mitre.org/data/definitions/346.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:hashicorp:consul:1.4.3:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
5.8

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
4.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
7.4

Base Severity
HIGH

Exploitability Score
2.2

Impact Score
5.2

References

Reference URL	Reference Tags
https://github.com/hashicorp/consul/issues/5519	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-9764
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9764

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:18:42				Added to TrackCVE
2022-12-03 18:38:42	2019-03-26T14:29Z	2019-03-26T14:29:00	CVE Published Date	updated
2022-12-03 18:38:42		2020-08-24T17:37:01	CVE Modified Date	updated
2022-12-03 18:38:42		Analyzed	Vulnerability Status	updated