GSD-2021-20218

Vulnerability from gsd - Updated: 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
CVE-2021-20218
To clipboard 

{
  "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": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2021-20218",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "fabric8-kubernetes-client",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "kubernetes-client-4.2.0 and after"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-22"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1923405",
            "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": [
            "CWE-1035",
            "CWE-22",
            "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": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.7.2",
                "versionStartIncluding": "4.2.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.11.2",
                "versionStartIncluding": "4.8.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.13.2",
                "versionStartIncluding": "4.12.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:kubernetes-client:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.0.2",
                "versionStartIncluding": "5.0.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:redhat:a-mq_online:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:build_of_quarkus:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:codeready_studio:12.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2021-20218"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "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"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-22"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/fabric8io/kubernetes-client/issues/2715",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/fabric8io/kubernetes-client/issues/2715"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1923405",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Vendor Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923405"
            }
          ]
        }
      },
      "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": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "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"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2021-03-25T18:43Z",
      "publishedDate": "2021-03-16T21:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.