cnvd - cnvd-2020-23170

cnvd-2020-23170

Vulnerability from cnvd

Title: Zoom Client for Meetings加密问题漏洞

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 4.6.9及之前版本中存在加密问题漏洞，该漏洞源于Zoom Client for Meetings使用AES的ECB模式进行视频和音频加密，在会议中所有与会者都使用单个128位密钥。攻击者可利用该漏洞解密加密密钥，获取会议的视频和音频信息。

Severity: 高

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/

Impacted products

Name
Zoom Client for Meetings <=4.6.9

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-11500"
    }
  },
  "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 4.6.9\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eZoom Client for Meetings\u4f7f\u7528AES\u7684ECB\u6a21\u5f0f\u8fdb\u884c\u89c6\u9891\u548c\u97f3\u9891\u52a0\u5bc6\uff0c\u5728\u4f1a\u8bae\u4e2d\u6240\u6709\u4e0e\u4f1a\u8005\u90fd\u4f7f\u7528\u5355\u4e2a128\u4f4d\u5bc6\u94a5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e3\u5bc6\u52a0\u5bc6\u5bc6\u94a5\uff0c\u83b7\u53d6\u4f1a\u8bae\u7684\u89c6\u9891\u548c\u97f3\u9891\u4fe1\u606f\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\n\r\nhttps://zoom.us/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-23170",
  "openTime": "2020-04-16",
  "products": {
    "product": "Zoom Client for Meetings \u003c=4.6.9"
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-04-07",
  "title": "Zoom Client for Meetings\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-11500 (GCVE-0-2020-11500)

Vulnerability from cvelistv5

Published

2020-04-03 12:07

Modified

2024-08-04 11:35

Severity ?

CWE

Summary

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.

References

▼	URL	Tags
	https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/	x_refsource_MISC
	https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-04T11:35:12.450Z",
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            ],
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          },
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              "x_transferred"
            ],
            "url": "https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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          "versions": [
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      "providerMetadata": {
        "dateUpdated": "2020-04-03T12:07:28",
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        "shortName": "mitre"
      },
      "references": [
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          "tags": [
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          "url": "https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-11500",
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  "cveMetadata": {
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}

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.

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