gsd-2021-20218
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-20218",
"description": "A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2",
"id": "GSD-2021-20218",
"references": [
"https://access.redhat.com/errata/RHSA-2022:0297",
"https://access.redhat.com/errata/RHSA-2022:0296",
"https://access.redhat.com/errata/RHSA-2021:5134",
"https://access.redhat.com/errata/RHSA-2021:3207",
"https://access.redhat.com/errata/RHSA-2021:3205",
"https://access.redhat.com/errata/RHSA-2021:1006",
"https://access.redhat.com/errata/RHSA-2021:1004",
"https://access.redhat.com/errata/RHSA-2021:0986"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-20218"
],
"details": "A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2",
"id": "GSD-2021-20218",
"modified": "2023-12-13T01:23:12.672130Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"STATE": "PUBLIC"
},
"affects": {
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}
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"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923405"
},
{
"name": "https://github.com/fabric8io/kubernetes-client/issues/2715",
"refsource": "MISC",
"url": "https://github.com/fabric8io/kubernetes-client/issues/2715"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "[4.2.0,4.7.2),[4.8.0,4.11.2),[4.12.0,4.13.2),[5.0.0,5.0.2)",
"affected_versions": "All versions starting from 4.2.0 before 4.7.2, all versions starting from 4.8.0 before 4.11.2, all versions starting from 4.12.0 before 4.13.2, all versions starting from 5.0.0 before 5.0.2",
"cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
"cwe_ids": [
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"CWE-937"
],
"date": "2021-03-25",
"description": "A flaw was found in the fabric8 kubernetes-client. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path.",
"fixed_versions": [
"4.7.2",
"4.11.2",
"4.13.2",
"5.0.2"
],
"identifier": "CVE-2021-20218",
"identifiers": [
"CVE-2021-20218"
],
"not_impacted": "All versions before 4.2.0, all versions starting from 4.7.2 before 4.8.0, all versions starting from 4.11.2 before 4.12.0, all versions starting from 4.13.2 before 5.0.0, all versions starting from 5.0.2",
"package_slug": "maven/io.fabric8/kubernetes-client",
"pubdate": "2021-03-16",
"solution": "Upgrade to versions 4.7.2, 4.11.2, 4.13.2, 5.0.2 or above.",
"title": "Path Traversal",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-20218",
"https://bugzilla.redhat.com/show_bug.cgi?id=1923405"
],
"uuid": "83e65520-e01f-4191-b0f4-164d27f5a901"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
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"operator": "OR"
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"cve": {
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"ID": "CVE-2021-20218"
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"description": {
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"value": "A flaw was found in the fabric8 kubernetes-client in version 4.2.0 and after. This flaw allows a malicious pod/container to cause applications using the fabric8 kubernetes-client `copy` command to extract files outside the working path. The highest threat from this vulnerability is to integrity and system availability. This has been fixed in kubernetes-client-4.13.2 kubernetes-client-5.0.2 kubernetes-client-4.11.2 kubernetes-client-4.7.2"
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.8,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
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}
},
"lastModifiedDate": "2021-03-25T18:43Z",
"publishedDate": "2021-03-16T21:15Z"
}
}
}
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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.