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Auto-merge PR#692
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CVE Team 2021-02-02 13:00:23 -05:00 committed by GitHub
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2021/21xxx/CVE-2021-21284.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-2021-21284",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
"STATE": "PUBLIC",
"TITLE": "privilege escalation in Moby"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "moby",
"version": {
"version_data": [
{
"version_value": "< 19.03.15"
},
{
"version_value": ">= 20.0.0, < 20.10.3"
}
]
}
}
]
},
"vendor_name": "moby"
}
]
}
},
"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 Docker before versions 9.03.15, 20.10.3 there is a vulnerability involving the --userns-remap option in which access to remapped root allows privilege escalation to real root.\n\nWhen using \"--userns-remap\", if the root user in the remapped namespace has access to the host filesystem they can modify files under \"/var/lib/docker/<remapping>\" that cause writing files with extended privileges.\n\nVersions 20.10.3 and 19.03.15 contain patches that prevent privilege escalation from remapped user.\n\n\n"
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/moby/moby/security/advisories/GHSA-7452-xqpj-6rpc",
"refsource": "CONFIRM",
"url": "https://github.com/moby/moby/security/advisories/GHSA-7452-xqpj-6rpc"
},
{
"name": "https://docs.docker.com/engine/release-notes/#20103",
"refsource": "MISC",
"url": "https://docs.docker.com/engine/release-notes/#20103"
},
{
"name": "https://github.com/moby/moby/releases/tag/v20.10.3",
"refsource": "MISC",
"url": "https://github.com/moby/moby/releases/tag/v20.10.3"
},
{
"name": "https://github.com/moby/moby/releases/tag/v19.03.15",
"refsource": "MISC",
"url": "https://github.com/moby/moby/releases/tag/v19.03.15"
},
{
"name": "https://github.com/moby/moby/commit/64bd4485b3a66a597c02c95f5776395e540b2c7c",
"refsource": "MISC",
"url": "https://github.com/moby/moby/commit/64bd4485b3a66a597c02c95f5776395e540b2c7c"
}
]
},
"source": {
"advisory": "GHSA-7452-xqpj-6rpc",
"discovery": "UNKNOWN"
}
}