Vulnerability-Lookup

CNVD-2021-55899

Vulnerability from cnvd - Published: 2021-07-28

Title

NCH Quorum跨站脚本漏洞（CNVD-2021-55899）

Description

NCH Quorum是一款电话会议服务器软件。可以将任何电脑变成一个电话会议服务器。调用者拨号进入服务器参加电话会议。 NCH Quorum存在跨站脚本漏洞，攻击者可以利用此漏洞窃取受害者基于cookie的身份验证凭据。

Severity

中

Patch Name

NCH Quorum跨站脚本漏洞（CNVD-2021-55899）的补丁

Patch Description

NCH Quorum是一款电话会议服务器软件。可以将任何电脑变成一个电话会议服务器。调用者拨号进入服务器参加电话会议。 NCH Quorum存在跨站脚本漏洞，攻击者可以利用此漏洞窃取受害者基于cookie的身份验证凭据。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

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://www.nch.com.au/conference/index.html#。

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-37463

Impacted products

Name
NCH Software Quorum <=2.03

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-37463"
    }
  },
  "description": "NCH Quorum\u662f\u4e00\u6b3e\u7535\u8bdd\u4f1a\u8bae\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\u53ef\u4ee5\u5c06\u4efb\u4f55\u7535\u8111\u53d8\u6210\u4e00\u4e2a\u7535\u8bdd\u4f1a\u8bae\u670d\u52a1\u5668\u3002\u8c03\u7528\u8005\u62e8\u53f7\u8fdb\u5165\u670d\u52a1\u5668\u53c2\u52a0\u7535\u8bdd\u4f1a\u8bae\u3002\n\nNCH Quorum\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u7a83\u53d6\u53d7\u5bb3\u8005\u57fa\u4e8ecookie\u7684\u8eab\u4efd\u9a8c\u8bc1\u51ed\u636e\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.nch.com.au/conference/index.html#\u3002",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-55899",
  "openTime": "2021-07-28",
  "patchDescription": "NCH Quorum\u662f\u4e00\u6b3e\u7535\u8bdd\u4f1a\u8bae\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\u53ef\u4ee5\u5c06\u4efb\u4f55\u7535\u8111\u53d8\u6210\u4e00\u4e2a\u7535\u8bdd\u4f1a\u8bae\u670d\u52a1\u5668\u3002\u8c03\u7528\u8005\u62e8\u53f7\u8fdb\u5165\u670d\u52a1\u5668\u53c2\u52a0\u7535\u8bdd\u4f1a\u8bae\u3002\r\n\r\nNCH Quorum\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u7a83\u53d6\u53d7\u5bb3\u8005\u57fa\u4e8ecookie\u7684\u8eab\u4efd\u9a8c\u8bc1\u51ed\u636e\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": "NCH Quorum\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-55899\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "NCH Software Quorum \u003c=2.03"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-37463",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-26",
  "title": "NCH Quorum\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-55899\uff09"
}

CVE-2021-37463 (GCVE-0-2021-37463)

Vulnerability from cvelistv5 – Published: 2021-07-25 20:09 – Updated: 2024-08-04 01:16

Summary

In NCH Quorum v2.03 and earlier, XSS exists via User Display Name (stored).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.nch.com.au/conference/index.html	x_refsource_MISC
https://github.com/0xfml/poc/blob/main/NCH/Quorum…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:16:03.996Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.nch.com.au/conference/index.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_XSS.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In NCH Quorum v2.03 and earlier, XSS exists via User Display Name (stored)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-25T20:09:52.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.nch.com.au/conference/index.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_XSS.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-37463",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In NCH Quorum v2.03 and earlier, XSS exists via User Display Name (stored)."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.nch.com.au/conference/index.html",
              "refsource": "MISC",
              "url": "https://www.nch.com.au/conference/index.html"
            },
            {
              "name": "https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_XSS.md",
              "refsource": "MISC",
              "url": "https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_XSS.md"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-37463",
    "datePublished": "2021-07-25T20:09:53.000Z",
    "dateReserved": "2021-07-25T00:00:00.000Z",
    "dateUpdated": "2024-08-04T01:16:03.996Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.