Vulnerability-Lookup

CNVD-2021-55890

Vulnerability from cnvd - Published: 2021-07-28

Title

NCH Quorum信息泄露漏洞

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存在信息泄露漏洞，该漏洞源于产品未对local .dat文件访问添加有效权限，攻击者可利用漏洞读取该文件获得明文登录信息。

Severity

低

Patch Name

NCH Quorum信息泄露漏洞的补丁

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存在信息泄露漏洞，该漏洞源于产品未对local .dat文件访问添加有效权限，攻击者可利用漏洞读取该文件获得明文登录信息。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.nchsoftware.com/flexi/index.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-37452

Impacted products

Name
NCH Software Quorum <=2.03

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-37452"
    }
  },
  "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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u672a\u5bf9local .dat\u6587\u4ef6\u8bbf\u95ee\u6dfb\u52a0\u6709\u6548\u6743\u9650\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u8bfb\u53d6\u8be5\u6587\u4ef6\u83b7\u5f97\u660e\u6587\u767b\u5f55\u4fe1\u606f\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.nchsoftware.com/flexi/index.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-55890",
  "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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u672a\u5bf9local .dat\u6587\u4ef6\u8bbf\u95ee\u6dfb\u52a0\u6709\u6548\u6743\u9650\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u8bfb\u53d6\u8be5\u6587\u4ef6\u83b7\u5f97\u660e\u6587\u767b\u5f55\u4fe1\u606f\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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "NCH Software Quorum \u003c=2.03"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-37452",
  "serverity": "\u4f4e",
  "submitTime": "2021-07-26",
  "title": "NCH Quorum\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2021-37452 (GCVE-0-2021-37452)

Vulnerability from cvelistv5 – Published: 2021-07-25 20:12 – Updated: 2024-08-04 01:16

Summary

NCH Quorum v2.03 and earlier allows local users to discover cleartext login information relating to users by reading the local .dat configuration files.

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": "2024-08-04T01:16:04.026Z",
          "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_CC.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "NCH Quorum v2.03 and earlier allows local users to discover cleartext login information relating to users by reading the local .dat configuration files."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-25T20:12:03.000Z",
        "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_CC.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-37452",
          "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": {
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            {
              "lang": "eng",
              "value": "NCH Quorum v2.03 and earlier allows local users to discover cleartext login information relating to users by reading the local .dat configuration files."
            }
          ]
        },
        "problemtype": {
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                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
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          ]
        },
        "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_CC.md",
              "refsource": "MISC",
              "url": "https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_CC.md"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-37452",
    "datePublished": "2021-07-25T20:12:03.000Z",
    "dateReserved": "2021-07-25T00:00:00.000Z",
    "dateUpdated": "2024-08-04T01:16:04.026Z",
    "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.