gsd-2018-20834
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2018-20834",
"description": "A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).",
"id": "GSD-2018-20834",
"references": [
"https://access.redhat.com/errata/RHSA-2019:1821"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2018-20834"
],
"details": "A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).",
"id": "GSD-2018-20834",
"modified": "2023-12-13T01:22:29.179767Z",
"schema_version": "1.4.0"
}
},
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"affects": {
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"value": "A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2)."
}
]
},
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"value": "n/a"
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"references": {
"reference_data": [
{
"name": "https://hackerone.com/reports/344595",
"refsource": "MISC",
"url": "https://hackerone.com/reports/344595"
},
{
"name": "https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8",
"refsource": "MISC",
"url": "https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8"
},
{
"name": "https://github.com/npm/node-tar/compare/58a8d43...a5f7779",
"refsource": "MISC",
"url": "https://github.com/npm/node-tar/compare/58a8d43...a5f7779"
},
{
"name": "RHSA-2019:1821",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1821"
},
{
"name": "https://nvd.nist.gov/vuln/detail/CVE-2018-20834",
"refsource": "MISC",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20834"
},
{
"name": "https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d",
"refsource": "MISC",
"url": "https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d"
},
{
"name": "https://github.com/npm/node-tar/commits/v2.2.2",
"refsource": "MISC",
"url": "https://github.com/npm/node-tar/commits/v2.2.2"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c2.2.2||\u003e=3.0.0 \u003c4.4.2",
"affected_versions": "All versions before 2.2.2, all versions starting from 3.0.0 before 4.4.2",
"cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
"cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-59",
"CWE-937"
],
"date": "2021-08-03",
"description": "A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).",
"fixed_versions": [
"2.2.2",
"4.4.2"
],
"identifier": "CVE-2018-20834",
"identifiers": [
"GHSA-j44m-qm6p-hp7m",
"CVE-2018-20834"
],
"not_impacted": "All versions starting from 2.2.2 before 3.0.0, all versions starting from 4.4.2",
"package_slug": "npm/tar",
"pubdate": "2019-05-01",
"solution": "Upgrade to versions 2.2.2, 4.4.2 or above.",
"title": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2018-20834",
"https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8",
"https://hackerone.com/reports/344595",
"https://github.com/npm/node-tar/compare/58a8d43...a5f7779",
"https://www.npmjs.com/advisories/803",
"https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d",
"https://access.redhat.com/errata/RHSA-2019:1821",
"https://github.com/npm/node-tar/commits/v2.2.2",
"https://github.com/advisories/GHSA-j44m-qm6p-hp7m"
],
"uuid": "fb1ee158-ac77-4b95-bfa8-9eb1c99a2ba4"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:node-tar_project:node-tar:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.4.2",
"versionStartIncluding": "3.0.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:node-tar_project:node-tar:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.2.2",
"vulnerable": true
}
],
"operator": "OR"
}
]
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"ID": "CVE-2018-20834"
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"description": {
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"problemtype": {
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},
"references": {
"reference_data": [
{
"name": "https://hackerone.com/reports/344595",
"refsource": "MISC",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/344595"
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{
"name": "https://github.com/npm/node-tar/compare/58a8d43...a5f7779",
"refsource": "MISC",
"tags": [
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"url": "https://github.com/npm/node-tar/compare/58a8d43...a5f7779"
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"name": "https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8",
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"url": "https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8"
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{
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"url": "https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d"
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},
{
"name": "https://github.com/npm/node-tar/commits/v2.2.2",
"refsource": "MISC",
"tags": [],
"url": "https://github.com/npm/node-tar/commits/v2.2.2"
}
]
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.4,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2019-09-04T20:15Z",
"publishedDate": "2019-04-30T19:29Z"
}
}
}
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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.
- 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.