cnvd - cnvd-2022-62183

cnvd-2022-62183

Vulnerability from cnvd

Title: BigBlueButton跨站脚本漏洞（CNVD-2022-62183）

Description:

BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。

BigBlueButton v2.4.7及之前版本存在跨站脚本漏洞，该漏洞源于聊天功能中缺少对用户提供的数据和输出的数据校验过滤。攻击者可利用该漏洞在用户名中注入JavaScript有效负载，每次攻击者向受害者发送私人消息或显示有关攻击者离开房间的通知时，有效载荷都会在受害者的浏览器中执行。

Severity: 低

Patch Name: BigBlueButton 跨站脚本漏洞（CNVD-2022-62183）的补丁

Patch Description:

BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。

BigBlueButton v2.4.7及之前版本存在跨站脚本漏洞，该漏洞源于聊天功能中缺少对用户提供的数据和输出的数据校验过滤。攻击者可利用该漏洞在用户名中注入 JavaScript 有效负载，每次攻击者向受害者发送私人消息或显示有关攻击者离开房间的通知时，有效载荷都会在受害者的浏览器中执行。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/bigbluebutton/bigbluebutton

Reference: https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/

Impacted products

Name
BigBlueButton BigBlueButton <=v2.4.7

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-27238",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-27238"
    }
  },
  "description": "BigBlueButton\u662fBigBlueButton\u793e\u533a\u7684\u4e00\u5957\u5f00\u6e90\u7684Web\u4f1a\u8bae\u7cfb\u7edf\u3002\n\nBigBlueButton v2.4.7\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u804a\u5929\u529f\u80fd\u4e2d\u7f3a\u5c11\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u548c\u8f93\u51fa\u7684\u6570\u636e\u6821\u9a8c\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7528\u6237\u540d\u4e2d\u6ce8\u5165JavaScript\u6709\u6548\u8d1f\u8f7d\uff0c\u6bcf\u6b21\u653b\u51fb\u8005\u5411\u53d7\u5bb3\u8005\u53d1\u9001\u79c1\u4eba\u6d88\u606f\u6216\u663e\u793a\u6709\u5173\u653b\u51fb\u8005\u79bb\u5f00\u623f\u95f4\u7684\u901a\u77e5\u65f6\uff0c\u6709\u6548\u8f7d\u8377\u90fd\u4f1a\u5728\u53d7\u5bb3\u8005\u7684\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/bigbluebutton/bigbluebutton",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-62183",
  "openTime": "2022-09-09",
  "patchDescription": "BigBlueButton\u662fBigBlueButton\u793e\u533a\u7684\u4e00\u5957\u5f00\u6e90\u7684Web\u4f1a\u8bae\u7cfb\u7edf\u3002\r\n\r\nBigBlueButton v2.4.7\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u804a\u5929\u529f\u80fd\u4e2d\u7f3a\u5c11\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u548c\u8f93\u51fa\u7684\u6570\u636e\u6821\u9a8c\u8fc7\u6ee4\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7528\u6237\u540d\u4e2d\u6ce8\u5165 JavaScript \u6709\u6548\u8d1f\u8f7d\uff0c\u6bcf\u6b21\u653b\u51fb\u8005\u5411\u53d7\u5bb3\u8005\u53d1\u9001\u79c1\u4eba\u6d88\u606f\u6216\u663e\u793a\u6709\u5173\u653b\u51fb\u8005\u79bb\u5f00\u623f\u95f4\u7684\u901a\u77e5\u65f6\uff0c\u6709\u6548\u8f7d\u8377\u90fd\u4f1a\u5728\u53d7\u5bb3\u8005\u7684\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "BigBlueButton \u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2022-62183\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "BigBlueButton BigBlueButton \u003c=v2.4.7"
  },
  "referenceLink": "https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/",
  "serverity": "\u4f4e",
  "submitTime": "2022-06-28",
  "title": "BigBlueButton\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2022-62183\uff09"
}

CVE-2022-27238 (GCVE-0-2022-27238)

Vulnerability from cvelistv5

Published

2022-06-24 15:15

Modified

2024-08-03 05:25

Severity ?

CWE

Summary

BigBlueButton version 2.4.7 (or earlier) is vulnerable to stored Cross-Site Scripting (XSS) in the private chat functionality. A threat actor could inject JavaScript payload in his/her username. The payload gets executed in the browser of the victim each time the attacker sends a private message to the victim or when notification about the attacker leaving room is displayed.

References

▼	URL	Tags
	https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/	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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              "x_transferred"
            ],
            "url": "https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/"
          }
        ],
        "title": "CVE Program Container"
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        }
      ],
      "problemTypes": [
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      },
      "references": [
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          "tags": [
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          ],
          "url": "https://www.mgm-sp.com/en/cve-2022-27238-bigbluebutton-xss/"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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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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