gsd-2020-8559
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-8559",
"description": "The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.",
"id": "GSD-2020-8559",
"references": [
"https://www.suse.com/security/cve/CVE-2020-8559.html",
"https://access.redhat.com/errata/RHSA-2021:0281",
"https://access.redhat.com/errata/RHSA-2021:0030",
"https://access.redhat.com/errata/RHSA-2020:5363",
"https://access.redhat.com/errata/RHSA-2020:5194",
"https://access.redhat.com/errata/RHSA-2020:4298",
"https://access.redhat.com/errata/RHBA-2020:4197",
"https://linux.oracle.com/cve/CVE-2020-8559.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-8559"
],
"details": "The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.",
"id": "GSD-2020-8559",
"modified": "2023-12-13T01:21:53.482918Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@kubernetes.io",
"DATE_PUBLIC": "2020-07-15T16:00:00.000Z",
"ID": "CVE-2020-8559",
"STATE": "PUBLIC",
"TITLE": "Privilege escalation from compromised node to cluster"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Kubernetes",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "1.16",
"version_value": "1.16.12"
},
{
"version_affected": "\u003c=",
"version_name": "1.17",
"version_value": "1.17.8"
},
{
"version_affected": "\u003c=",
"version_name": "1.18",
"version_value": "1.18.5"
},
{
"version_name": "1.6",
"version_value": "1.6"
},
{
"version_name": "1.7",
"version_value": "1.7"
},
{
"version_name": "1.8",
"version_value": "1.8"
},
{
"version_name": "1.9",
"version_value": "1.9"
},
{
"version_name": "1.10",
"version_value": "1.10"
},
{
"version_name": "1.11",
"version_value": "1.11"
},
{
"version_name": "1.12",
"version_value": "1.12"
},
{
"version_name": "1.13",
"version_value": "1.13"
},
{
"version_name": "1.14",
"version_value": "1.14"
},
{
"version_name": "1.15",
"version_value": "1.15"
}
]
}
}
]
},
"vendor_name": "Kubernetes"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Wouter ter Maat of Offensi"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-601 URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ",
"refsource": "MISC",
"url": "https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ"
},
{
"name": "https://github.com/kubernetes/kubernetes/issues/92914",
"refsource": "MISC",
"url": "https://github.com/kubernetes/kubernetes/issues/92914"
},
{
"name": "https://security.netapp.com/advisory/ntap-20200810-0004/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20200810-0004/"
}
]
},
"source": {
"defect": [
"https://github.com/kubernetes/kubernetes/issues/92914"
],
"discovery": "EXTERNAL"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e=v1.7.6 \u003c=v1.16.13 || \u003e=v1.17.0 \u003cv1.17.9 || \u003e=v1.18.0 \u003cv1.18.6",
"affected_versions": "All versions starting from 1.7.6 up to 1.16.13, all versions starting from 1.17.0 before 1.17.9, all versions starting from 1.18.0 before 1.18.6",
"cvss_v2": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-601",
"CWE-937"
],
"date": "2020-07-27",
"description": "The Kubernetes kube-apiserver is vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.",
"fixed_versions": [
"0.19.0-rc.1"
],
"identifier": "CVE-2020-8559",
"identifiers": [
"CVE-2020-8559"
],
"not_impacted": "All versions before 1.7.6, all versions after 1.16.13 before 1.17.0, all versions starting from 1.17.9 before 1.18.0, all versions starting from 1.18.6",
"package_slug": "go/github.com/kubernetes/apimachinery",
"pubdate": "2020-07-22",
"solution": "Upgrade to version 0.19.0-rc.1. *Note*: 0.19.0-rc.1 may be an unstable version. Use caution.",
"title": "URL Redirection to Untrusted Site (Open Redirect)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-8559"
],
"uuid": "91659631-ed64-4396-9877-2bef9e006ee7",
"versions": [
{
"commit": {
"sha": "0e0d21ba19a64a27f4f991627caedb5888dfeab7",
"tags": [
"kubernetes-1.7.6"
],
"timestamp": "20170824173024"
},
"number": "v1.7.6"
},
{
"commit": {
"sha": "5a8acaf43eb1db969a3d0acbe9628b96cb336893",
"tags": [
"kubernetes-1.17.0"
],
"timestamp": "20191121185448"
},
"number": "v1.17.0"
},
{
"commit": {
"sha": "6e1584e73d7971c58a47aed9135e6bc9fa8cf1fc",
"tags": [
"kubernetes-1.18.0"
],
"timestamp": "20200321215243"
},
"number": "v1.18.0"
},
{
"commit": {
"sha": "fe7fed6f51bc34d9e33edb3a59be68977173f326",
"tags": [
"v0.19.0-rc.1"
],
"timestamp": "20200712191229"
},
"number": "v0.19.0-rc.1"
},
{
"commit": {
"sha": "210e0f6fe9de6fe551cff97fa5c6b6333ca86e0e",
"tags": [
"kubernetes-1.16.13"
],
"timestamp": "20200712223233"
},
"number": "v1.16.13"
},
{
"commit": {
"sha": "3787b08134b643227580d92fa5e5a4af744a586d",
"tags": [
"kubernetes-1.17.9"
],
"timestamp": "20200712225033"
},
"number": "v1.17.9"
},
{
"commit": {
"sha": "b78bcf6560d428de8162fbfa1b97674c1bd897a1",
"tags": [
"kubernetes-1.18.6"
],
"timestamp": "20200713012633"
},
"number": "v1.18.6"
}
]
},
{
"affected_range": "\u003e=v1.6.0 \u003c=v1.16.13 || \u003e=v1.17.0 \u003cv1.17.9 || \u003e=v1.18.0 \u003cv1.18.6",
"affected_versions": "All versions starting from 1.6.0 up to 1.16.13, all versions starting from 1.17.0 before 1.17.9, all versions starting from 1.18.0 before 1.18.6",
"cvss_v2": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-601",
"CWE-937"
],
"date": "2020-07-27",
"description": "The Kubernetes kube-apiserver is vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.",
"fixed_versions": [
"v1.18.6",
"v1.17.9"
],
"identifier": "CVE-2020-8559",
"identifiers": [
"CVE-2020-8559"
],
"not_impacted": "All versions after v1.16.13 before v1.17.0, all versions after v1.17.9 before v1.18.0, all versions after v1.18.6",
"package_slug": "go/github.com/kubernetes/kubernetes",
"pubdate": "2020-07-22",
"solution": "Upgrade to version v1.16.13, v1.17.9, v1.18.6 or later",
"title": "URL Redirection to Untrusted Site (Open Redirect)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-8559"
],
"uuid": "b0e94424-4666-4588-a80b-55e05145b654",
"versions": [
{
"commit": {
"sha": "151c1e40350fc26156093f2c0400eb4b60bb88e1",
"tags": [
"kubernetes-1.17.0"
],
"timestamp": "20191211003115"
},
"number": "v1.17.0"
},
{
"commit": {
"sha": "e54015b524d2efd26fc3fab5c2259e808d1d357d",
"tags": [
"kubernetes-1.18.0"
],
"timestamp": "20200326042227"
},
"number": "v1.18.0"
},
{
"commit": {
"sha": "95dded27a4045677ac882943855514319096c4d5",
"tags": [
"kubernetes-1.16.13"
],
"timestamp": "20200716002139"
},
"number": "v1.16.13"
},
{
"commit": {
"sha": "b0aaaa17b6b3f826a00ac196d007304ebf9b4d64",
"tags": [
"kubernetes-1.17.9"
],
"timestamp": "20200716002222"
},
"number": "v1.17.9"
},
{
"commit": {
"sha": "a6ba72d3025c835ddfdd437778cb9003eac3c1d0",
"tags": [
"kubernetes-1.18.6"
],
"timestamp": "20200716002306"
},
"number": "v1.18.6"
}
]
},
{
"affected_range": "\u003e=1.6.0 \u003c1.16.13||\u003e=1.17.0 \u003c1.17.9||\u003e=1.18.0 \u003c1.18.6",
"affected_versions": "All versions starting from 1.6.0 up to 1.16.13, all versions starting from 1.17.0 before 1.17.9, all versions starting from 1.18.0 before 1.18.6",
"cvss_v2": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-601",
"CWE-937"
],
"date": "2020-08-10",
"description": "The Kubernetes kube-apiserver is vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.",
"fixed_versions": [
"1.16.13",
"1.17.9",
"1.18.6"
],
"identifier": "CVE-2020-8559",
"identifiers": [
"CVE-2020-8559"
],
"not_impacted": "All versions starting from 1.16.13 before 1.17.0, all versions starting from 1.17.9 before 1.18.0, all versions starting from 1.18.6",
"package_slug": "go/k8s.io/kubernetes/pkg/apis/apps/validation",
"pubdate": "2020-07-22",
"solution": "Upgrade to version 1.16.13, 1.17.9, 1.18.6 or above.",
"title": "URL Redirection to Untrusted Site (Open Redirect)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-8559"
],
"uuid": "2d9dc985-9037-4a6a-bbcd-2da2a231d944"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.18.6",
"versionStartIncluding": "1.18.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndIncluding": "1.15.0",
"versionStartIncluding": "1.6.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.17.9",
"versionStartIncluding": "1.17.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.16.13",
"versionStartIncluding": "1.16.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security@kubernetes.io",
"ID": "CVE-2020-8559"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-601"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/kubernetes/kubernetes/issues/92914",
"refsource": "MISC",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/kubernetes/kubernetes/issues/92914"
},
{
"name": "https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ"
},
{
"name": "https://security.netapp.com/advisory/ntap-20200810-0004/",
"refsource": "CONFIRM",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20200810-0004/"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.9,
"impactScore": 5.9
}
},
"lastModifiedDate": "2023-01-27T20:34Z",
"publishedDate": "2020-07-22T14:15Z"
}
}
}
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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.
- 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.