gsd-2019-9764
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2019-9764",
"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.",
"id": "GSD-2019-9764"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2019-9764"
],
"details": "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.",
"id": "GSD-2019-9764",
"modified": "2023-12-13T01:23:47.376805Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2019-9764",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "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."
}
]
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},
"references": {
"reference_data": [
{
"name": "https://github.com/hashicorp/consul/issues/5519",
"refsource": "MISC",
"url": "https://github.com/hashicorp/consul/issues/5519"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"_git_import_path": "go/github.com/hashicorp/consul/acl",
"affected_range": "=v1.4.3",
"affected_versions": "Version 1.4.3",
"cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"cvss_v3": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-346",
"CWE-937"
],
"date": "2019-03-28",
"description": "HashiCorp Consul 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.",
"fixed_versions": [
"v1.4.4"
],
"identifier": "CVE-2019-9764",
"identifiers": [
"CVE-2019-9764"
],
"not_impacted": "All versions before 1.4.3, all versions after 1.4.3",
"package_slug": "go/github.com/hashicorp/consul",
"pubdate": "2019-03-26",
"solution": "Upgrade to version 1.4.4 or above.",
"title": "Improper Certificate Validation",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2019-9764"
],
"uuid": "36bc7e4b-c33d-4ba1-a308-339103524db4",
"versions": [
{
"commit": {
"sha": "e1ec823a0c814342695110fa45c140944350b184",
"tags": [
"v1.4.3"
],
"timestamp": "20190304202120"
},
"number": "v1.4.3"
},
{
"commit": {
"sha": "0402d939a69b4e99c86004f358356902f9885d86",
"tags": [
"v1.4.4"
],
"timestamp": "20190320170054"
},
"number": "v1.4.4"
}
]
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:hashicorp:consul:1.4.3:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
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"ID": "CVE-2019-9764"
},
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"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "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."
}
]
},
"problemtype": {
"problemtype_data": [
{
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"value": "CWE-346"
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},
"references": {
"reference_data": [
{
"name": "https://github.com/hashicorp/consul/issues/5519",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/hashicorp/consul/issues/5519"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.2,
"impactScore": 5.2
}
},
"lastModifiedDate": "2020-08-24T17:37Z",
"publishedDate": "2019-03-26T14:29Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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