GHSA-JWH2-FFG4-48XC

Vulnerability from github – Published: 2022-05-24 17:44 – Updated: 2022-06-22 18:50
VLAI
Summary
Improper Limitation of a Pathname to a Restricted Directory in Fabric8 Kubernetes Client
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

Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.7.1"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.fabric8:kubernetes-client"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2.0"
            },
            {
              "fixed": "4.7.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.11.1"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.fabric8:kubernetes-client"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.8.0"
            },
            {
              "fixed": "4.11.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.13.1"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.fabric8:kubernetes-client"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.12.0"
            },
            {
              "fixed": "4.13.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 5.0.1"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.fabric8:kubernetes-client"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "5.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-20218"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-22T18:50:29Z",
    "nvd_published_at": "2021-03-16T21:15:00Z",
    "severity": "HIGH"
  },
  "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": "GHSA-jwh2-ffg4-48xc",
  "modified": "2022-06-22T18:50:29Z",
  "published": "2022-05-24T17:44:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20218"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fabric8io/kubernetes-client/issues/2715"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923405"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Limitation of a Pathname to a Restricted Directory in Fabric8 Kubernetes Client"
}



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