CVE-2021-34418
Vulnerability from cvelistv5
Published
2021-11-11 22:59
Modified
2024-09-16 22:14
Summary
The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:12:50.149Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://explore.zoom.us/en/trust/security/security-bulletin"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Zoom On-Premise Meeting Connector",
          "vendor": "Zoom Video Communications Inc",
          "versions": [
            {
              "lessThan": "4.6.239.20200613",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Zoom On-Premise Meeting Connector MMR",
          "vendor": "Zoom Video Communications Inc",
          "versions": [
            {
              "lessThan": "4.6.239.20200613",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Zoom On-Premise Recording Connector",
          "vendor": "Zoom Video Communications Inc",
          "versions": [
            {
              "lessThan": "3.8.42.20200905",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Zoom On-Premise Virtual Room Connector",
          "vendor": "Zoom Video Communications Inc",
          "versions": [
            {
              "lessThan": "4.4.6344.20200612",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Zoom On-Premise Virtual Room Connector Load Balancer",
          "vendor": "Zoom Video Communications Inc",
          "versions": [
            {
              "lessThan": "2.5.5492.20200616",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jeremy Brown"
        }
      ],
      "datePublic": "2021-11-12T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Input Validation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-11T22:59:47",
        "orgId": "99b9af0d-a833-4a5d-9e2f-8b1324f35351",
        "shortName": "Zoom"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://explore.zoom.us/en/trust/security/security-bulletin"
        }
      ],
      "source": {
        "discovery": "USER"
      },
      "title": "Pre-auth Null pointer crash in on-premise web console",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "AKA": "Zoom Communications Inc",
          "ASSIGNER": "security@zoom.us",
          "DATE_PUBLIC": "2021-11-12T17:00:00.000Z",
          "ID": "CVE-2021-34418",
          "STATE": "PUBLIC",
          "TITLE": "Pre-auth Null pointer crash in on-premise web console"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Zoom On-Premise Meeting Connector",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "4.6.239.20200613"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Zoom On-Premise Meeting Connector MMR",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "4.6.239.20200613"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Zoom On-Premise Recording Connector",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.8.42.20200905"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Zoom On-Premise Virtual Room Connector",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "4.4.6344.20200612"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Zoom On-Premise Virtual Room Connector Load Balancer",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "2.5.5492.20200616"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Zoom Video Communications Inc"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Jeremy Brown"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Input Validation"
                }
              ]
            }
          ]
        },
        "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"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99b9af0d-a833-4a5d-9e2f-8b1324f35351",
    "assignerShortName": "Zoom",
    "cveId": "CVE-2021-34418",
    "datePublished": "2021-11-11T22:59:47.920079Z",
    "dateReserved": "2021-06-09T00:00:00",
    "dateUpdated": "2024-09-16T22:14:22.064Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-34418\",\"sourceIdentifier\":\"security@zoom.us\",\"published\":\"2021-11-11T23:15:09.467\",\"lastModified\":\"2024-11-21T06:10:21.713\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.\"},{\"lang\":\"es\",\"value\":\"La rutina de inicio de sesi\u00f3n de la consola web en Zoom On-Premise Meeting Connector versiones anteriores a 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR versiones anteriores a 4.6.239.20200613, Zoom On-Premise Recording Connector versiones anteriores a 3.8.42. 20200905, Zoom On-Premise Virtual Room Connector versiones anteriores a 4.4.6344.20200612 y Zoom On-Premise Virtual Room Connector Load Balancer versiones anteriores a 2.5.5492.20200616, no comprueban que se haya enviado un byte NULL mientras se autentican. Esto podr\u00eda conllevar un fallo en el servicio de inicio de sesi\u00f3n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@zoom.us\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":4.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.5,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_controller:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.6.239.20200613\",\"matchCriteriaId\":\"99BE2760-1BA7-421B-A0C1-C7EB197877FE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_mmr:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.6.239.20200613\",\"matchCriteriaId\":\"1AA6CACE-15E6-4B31-82AE-77657493EB81\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:zoom:zoom_on-premise_recording_connector:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.8.42.20200905\",\"matchCriteriaId\":\"8A39FEDC-0FE3-48E0-A12A-82A7227C6664\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.4.6344.20200612\",\"matchCriteriaId\":\"8EB1B314-D1E7-4C2E-99AD-9D8A790EE45C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector_load_balancer:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.5.5492.20200616\",\"matchCriteriaId\":\"32C9D197-4646-4C09-92D8-111FD0BE48A3\"}]}]}],\"references\":[{\"url\":\"https://explore.zoom.us/en/trust/security/security-bulletin\",\"source\":\"security@zoom.us\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://explore.zoom.us/en/trust/security/security-bulletin\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.