cnvd - cnvd-2022-82643

CNVD-2022-82643

Vulnerability from cnvd - Published: 2022-11-29

Title

BigBlueButton Greenlight存在未明漏洞

Description

BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。 BigBlueButton Greenlight 2.5.6之前版本存在安全漏洞，该漏洞源于允许HTTP头(主机和源)攻击，攻击者可利用该漏洞导致账户接管。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/bigbluebutton/greenlight/pull/1543

Reference

https://github.com/bigbluebutton/greenlight/pull/1543

Impacted products

Name
BigBlueButton greenlight <2.5.6

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26163",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26163"
    }
  },
  "description": "BigBlueButton\u662fBigBlueButton\u793e\u533a\u7684\u4e00\u5957\u5f00\u6e90\u7684Web\u4f1a\u8bae\u7cfb\u7edf\u3002\n\nBigBlueButton Greenlight 2.5.6\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5141\u8bb8HTTP\u5934(\u4e3b\u673a\u548c\u6e90)\u653b\u51fb\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8d26\u6237\u63a5\u7ba1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/bigbluebutton/greenlight/pull/1543",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-82643",
  "openTime": "2022-11-29",
  "products": {
    "product": "BigBlueButton greenlight \u003c2.5.6"
  },
  "referenceLink": "https://github.com/bigbluebutton/greenlight/pull/1543",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-03",
  "title": "BigBlueButton Greenlight\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2020-26163 (GCVE-0-2020-26163)

Vulnerability from cvelistv5 – Published: 2020-09-30 15:28 – Updated: 2024-08-04 15:49

Summary

BigBlueButton Greenlight before 2.5.6 allows HTTP header (Host and Origin) attacks, which can result in Account Takeover if a victim follows a spoofed password-reset link.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://www.sakshamanand.com/host-header-injectio…	x_refsource_MISC
	https://github.com/bigbluebutton/greenlight/relea…	x_refsource_MISC
	https://github.com/bigbluebutton/greenlight/pull/1543	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T15:49:07.140Z",
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              "x_transferred"
            ],
            "url": "https://www.sakshamanand.com/host-header-injection-bigbluebutton/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/bigbluebutton/greenlight/pull/1543"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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      ],
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        "dateUpdated": "2020-09-30T15:28:54",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          ],
          "url": "https://www.sakshamanand.com/host-header-injection-bigbluebutton/"
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            "x_refsource_MISC"
          ],
          "url": "https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6"
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/bigbluebutton/greenlight/pull/1543"
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      ],
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          "ID": "CVE-2020-26163",
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            "vendor_data": [
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            },
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              "refsource": "MISC",
              "url": "https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6"
            },
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "dateReserved": "2020-09-30T00:00:00",
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}

Sightings

Author	Source	Type	Date

Nomenclature

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

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2022-82643

CVE-2020-26163 (GCVE-0-2020-26163)

Tags

Sightings

Nomenclature