Vulnerability-Lookup

CNVD-2020-33579

Vulnerability from cnvd - Published: 2020-06-18

Title

Zoom Client信任管理问题漏洞

Description

Zoom Client是美国Zoom公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client for Meetings 4.6.11版本中存在信任管理问题漏洞，该漏洞源于airhost.exe文件借助‘0123425234234fsdfsdr3242’字符串的SHA-256散列值来初始化OpenSSL EVP AES-256 CBC的上下文。目前没有详细的漏洞细节提供。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://zoom.us/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-11876

Impacted products

Name
Zoom Client for Meetings 4.6.11

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11876"
    }
  },
  "description": "Zoom Client\u662f\u7f8e\u56fdZoom\u516c\u53f8\u7684\u4e00\u6b3e\u652f\u6301\u591a\u79cd\u5e73\u53f0\u7684\u89c6\u9891\u4f1a\u8bae\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u3002\n\nZoom Client for Meetings 4.6.11\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eairhost.exe\u6587\u4ef6\u501f\u52a9\u20180123425234234fsdfsdr3242\u2019\u5b57\u7b26\u4e32\u7684SHA-256\u6563\u5217\u503c\u6765\u521d\u59cb\u5316OpenSSL EVP AES-256 CBC\u7684\u4e0a\u4e0b\u6587\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://zoom.us/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-33579",
  "openTime": "2020-06-18",
  "products": {
    "product": "Zoom Client for Meetings 4.6.11"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-11876",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-20",
  "title": "Zoom Client\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-11876 (GCVE-0-2020-11876)

Vulnerability from cvelistv5 – Published: 2020-04-17 15:46 – Updated: 2024-08-04 11:42 Disputed

Summary

airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of an OpenSSL EVP AES-256 CBC context. NOTE: the vendor states that this initialization only occurs within unreachable code

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-01 14:51 UTC

CWE

n/a
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2315 records in the last 180 days details

References

1 reference

URL	Tags
https://dev.io/posts/zoomzoo/	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
zoom	meetings	Affected: 4.6.11 cpe:2.3:a:zoom:meetings:4.6.11:::::macos::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:zoom:meetings:4.6.11:*:*:*:*:macos:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "meetings",
            "vendor": "zoom",
            "versions": [
              {
                "status": "affected",
                "version": "4.6.11"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-11876",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-01T14:51:58.132706Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-327",
                "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:12:16.821Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T11:42:00.422Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://dev.io/posts/zoomzoo/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of an OpenSSL EVP AES-256 CBC context. NOTE: the vendor states that this initialization only occurs within unreachable code"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-05-06T18:05:25.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://dev.io/posts/zoomzoo/"
        }
      ],
      "tags": [
        "disputed"
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-11876",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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          "reference_data": [
            {
              "name": "https://dev.io/posts/zoomzoo/",
              "refsource": "MISC",
              "url": "https://dev.io/posts/zoomzoo/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-11876",
    "datePublished": "2020-04-17T15:46:01.000Z",
    "dateReserved": "2020-04-17T00:00:00.000Z",
    "dateUpdated": "2024-08-04T11:42:00.422Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.

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