GSD-2021-34409

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user's machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process.
Aliases
Aliases
CVE-2021-34409
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{
  "GSD": {
    "alias": "CVE-2021-34409",
    "description": "It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user\u0027s machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process.",
    "id": "GSD-2021-34409"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-34409"
      ],
      "details": "It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user\u0027s machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process.",
      "id": "GSD-2021-34409",
      "modified": "2023-12-13T01:23:14.158348Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "AKA": "Zoom Communications Inc",
        "ASSIGNER": "security@zoom.us",
        "DATE_PUBLIC": "2021-12-14T15:00:00.000Z",
        "ID": "CVE-2021-34409",
        "STATE": "PUBLIC",
        "TITLE": "Zoom Client Installer Local Privilege Escalation"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Zoom Client for Meetings for MacOS (Standard and for IT Admin)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "5.2.0"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Zoom Client Plugin for Sharing iPhone/iPad",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "5.2.0"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Zoom Rooms for Conference",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "5.1.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Zoom Video Communications Inc"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Lockheed Martin Red Team"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user\u0027s machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Creation of Temporary File in Directory with Insecure Permissions"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://explore.zoom.us/en/trust/security/security-bulletin",
            "refsource": "MISC",
            "url": "https://explore.zoom.us/en/trust/security/security-bulletin"
          }
        ]
      },
      "source": {
        "discovery": "USER"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:zoom:meetings:*:*:*:*:*:macos:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.2.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zoom:rooms:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.1.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zoom:screen_sharing:*:*:*:*:*:ipados:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.2.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zoom:screen_sharing:*:*:*:*:*:iphone_os:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.2.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@zoom.us",
          "ID": "CVE-2021-34409"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user\u0027s machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": []
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://explore.zoom.us/en/trust/security/security-bulletin",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://explore.zoom.us/en/trust/security/security-bulletin"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-10-06T18:10Z",
      "publishedDate": "2021-09-27T14:15Z"
    }
  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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