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Auto-merge PR#4306

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Auto-merge PR#4306
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CVE Team 2020-07-14 18:05:20 -04:00 committed by GitHub
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2020/15xxx/CVE-2020-15104.json
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{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2020-15104",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
"STATE": "PUBLIC",
"TITLE": "TLS Validation Vulnerability in Envoy"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "envoy",
"version": {
"version_data": [
{
"version_value": "< 1.12.6"
},
{
"version_value": ">= 1.13.0, < 1.13.4"
},
{
"version_value": ">= 1.14.0, < 1.14.4"
}
]
}
}
]
},
"vendor_name": "envoyproxy"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
"value": "In Envoy before versions 1.12.6, 1.13.4, 1.14.4, and 1.15.0 when validating TLS certificates, Envoy would incorrectly allow a wildcard DNS Subject Alternative Name apply to multiple subdomains. For example, with a SAN of *.example.com, Envoy would incorrectly allow nested.subdomain.example.com, when it should only allow subdomain.example.com. \n\nThis defect applies to both validating a client TLS certificate in mTLS, and validating a server TLS certificate for upstream connections.\n\nThis vulnerability is only applicable to situations where an untrusted entity can obtain a signed wildcard TLS certificate for a domain of which you only intend to trust a subdomain of. For example, if you intend to trust api.mysubdomain.example.com, and an untrusted actor can obtain a signed TLS certificate for *.example.com or *.com.\n\nConfigurations are vulnerable if they use verify_subject_alt_name in any Envoy version, or if they use match_subject_alt_names in version 1.14 or later.\n\nThis issue has been fixed in Envoy versions 1.12.6, 1.13.4, 1.14.4, 1.15.0."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-346: Origin Validation Error"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-w5f5-6qhq-hhrg",
"refsource": "CONFIRM",
"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-w5f5-6qhq-hhrg"
}
]
},
"source": {
"advisory": "GHSA-w5f5-6qhq-hhrg",
"discovery": "UNKNOWN"
}
}