GSD-2018-20834

Vulnerability from gsd - Updated: 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
CVE-2018-20834
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{
  "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"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
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        "ID": "CVE-2018-20834",
        "STATE": "PUBLIC"
      },
      "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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        "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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      },
      "cve": {
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          "ID": "CVE-2018-20834"
        },
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        "description": {
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              "lang": "en",
              "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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              "name": "https://hackerone.com/reports/344595",
              "refsource": "MISC",
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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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            },
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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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