Vulnerability-Lookup

CNVD-2021-55911

Vulnerability from cnvd - Published: 2021-07-28

Title

NCH Axon PBX目录遍历漏洞

Description

NCH Axon PBX是一套应用于商业环境中的虚拟电话交换机软件。该软件主要用于管理电话呼叫中心，以软件的方式实现了电话交换机的功能。 NCH Axon PBX存在安全漏洞，攻击者可利用漏洞向logprop函数发送构建的URL请求，该函数在file参数中包含“dot-dot”序列（/../），以查看系统上的任意文件。

Severity

中

Patch Name

NCH Axon PBX目录遍历漏洞的补丁

Patch Description

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/pbx/index.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-37440

Impacted products

Name
NCH Software Axon PBX <=2.22

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-37440"
    }
  },
  "description": "NCH Axon PBX\u662f\u4e00\u5957\u5e94\u7528\u4e8e\u5546\u4e1a\u73af\u5883\u4e2d\u7684\u865a\u62df\u7535\u8bdd\u4ea4\u6362\u673a\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u4e3b\u8981\u7528\u4e8e\u7ba1\u7406\u7535\u8bdd\u547c\u53eb\u4e2d\u5fc3\uff0c\u4ee5\u8f6f\u4ef6\u7684\u65b9\u5f0f\u5b9e\u73b0\u4e86\u7535\u8bdd\u4ea4\u6362\u673a\u7684\u529f\u80fd\u3002\n\nNCH Axon PBX\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5411logprop\u51fd\u6570\u53d1\u9001\u6784\u5efa\u7684URL\u8bf7\u6c42\uff0c\u8be5\u51fd\u6570\u5728file\u53c2\u6570\u4e2d\u5305\u542b\u201cdot-dot\u201d\u5e8f\u5217\uff08/../\uff09\uff0c\u4ee5\u67e5\u770b\u7cfb\u7edf\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\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/pbx/index.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-55911",
  "openTime": "2021-07-28",
  "patchDescription": "NCH Axon PBX\u662f\u4e00\u5957\u5e94\u7528\u4e8e\u5546\u4e1a\u73af\u5883\u4e2d\u7684\u865a\u62df\u7535\u8bdd\u4ea4\u6362\u673a\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u4e3b\u8981\u7528\u4e8e\u7ba1\u7406\u7535\u8bdd\u547c\u53eb\u4e2d\u5fc3\uff0c\u4ee5\u8f6f\u4ef6\u7684\u65b9\u5f0f\u5b9e\u73b0\u4e86\u7535\u8bdd\u4ea4\u6362\u673a\u7684\u529f\u80fd\u3002\r\n\r\nNCH Axon PBX\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5411logprop\u51fd\u6570\u53d1\u9001\u6784\u5efa\u7684URL\u8bf7\u6c42\uff0c\u8be5\u51fd\u6570\u5728file\u53c2\u6570\u4e2d\u5305\u542b\u201cdot-dot\u201d\u5e8f\u5217\uff08/../\uff09\uff0c\u4ee5\u67e5\u770b\u7cfb\u7edf\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\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 Axon PBX\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "NCH Software Axon PBX \u003c=2.22"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-37440",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-26",
  "title": "NCH Axon PBX\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e"
}

CVE-2021-37440 (GCVE-0-2021-37440)

Vulnerability from cvelistv5 – Published: 2021-07-25 20:14 – Updated: 2024-08-04 01:16

Summary

NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/0xfml/poc/blob/main/NCH/Axon_2…	x_refsource_MISC
https://www.nch.com.au/pbx/index.html	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:16:03.956Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/0xfml/poc/blob/main/NCH/Axon_2.22_LFI.md"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.nch.com.au/pbx/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-25T20:14:28.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/0xfml/poc/blob/main/NCH/Axon_2.22_LFI.md"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.nch.com.au/pbx/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-37440",
          "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": "NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/0xfml/poc/blob/main/NCH/Axon_2.22_LFI.md",
              "refsource": "MISC",
              "url": "https://github.com/0xfml/poc/blob/main/NCH/Axon_2.22_LFI.md"
            },
            {
              "name": "https://www.nch.com.au/pbx/index.html",
              "refsource": "MISC",
              "url": "https://www.nch.com.au/pbx/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-37440",
    "datePublished": "2021-07-25T20:14:28.000Z",
    "dateReserved": "2021-07-25T00:00:00.000Z",
    "dateUpdated": "2024-08-04T01:16:03.956Z",
    "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.