Vulnerability-Lookup

CNVD-2017-32099

Vulnerability from cnvd - Published: 2017-10-31

Title

JanTek JTC-200未授权访问漏洞

Description

JanTek JTC-200是台信（JanTek）科技公司的一款TCP/IP转换器（串口服务器）。 JanTek JTC-200中存在未授权访问漏洞。攻击者无需任何身份验证，即可通过Telnet服务访问Busybox Linux shell。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.jantek.com/

Reference

https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02

Impacted products

Name
JanTek JTC-200

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-5791"
    }
  },
  "description": "JanTek JTC-200\u662f\u53f0\u4fe1\uff08JanTek\uff09\u79d1\u6280\u516c\u53f8\u7684\u4e00\u6b3eTCP/IP\u8f6c\u6362\u5668\uff08\u4e32\u53e3\u670d\u52a1\u5668\uff09\u3002\r\n\r\nJanTek JTC-200\u4e2d\u5b58\u5728\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u65e0\u9700\u4efb\u4f55\u8eab\u4efd\u9a8c\u8bc1\uff0c\u5373\u53ef\u901a\u8fc7Telnet\u670d\u52a1\u8bbf\u95eeBusybox Linux shell\u3002",
  "discovererName": "Karn Ganeshan",
  "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\nhttp://www.jantek.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-32099",
  "openTime": "2017-10-31",
  "products": {
    "product": "JanTek JTC-200"
  },
  "referenceLink": "https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02",
  "serverity": "\u9ad8",
  "submitTime": "2017-10-19",
  "title": "JanTek JTC-200\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e"
}

CVE-2016-5791 (GCVE-0-2016-5791)

Vulnerability from cvelistv5 – Published: 2017-10-13 02:00 – Updated: 2024-08-06 01:15

Summary

An Improper Authentication issue was discovered in JanTek JTC-200, all versions. The improper authentication could provide an undocumented BusyBox Linux shell accessible over the TELNET service without any authentication.

Severity

No CVSS data available.

CWE

Assigner

icscert icscert root Scorecard

References

1 reference

URL	Tags
https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02	x_refsource_MISC

Date Public

2017-10-12 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:15:10.672Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-10-12T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An Improper Authentication issue was discovered in JanTek JTC-200, all versions. The improper authentication could provide an undocumented BusyBox Linux shell accessible over the TELNET service without any authentication."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-10-13T02:57:01.000Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "ID": "CVE-2016-5791",
          "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": "An Improper Authentication issue was discovered in JanTek JTC-200, all versions. The improper authentication could provide an undocumented BusyBox Linux shell accessible over the TELNET service without any authentication."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02",
              "refsource": "MISC",
              "url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-283-02"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2016-5791",
    "datePublished": "2017-10-13T02:00:00.000Z",
    "dateReserved": "2016-06-23T00:00:00.000Z",
    "dateUpdated": "2024-08-06T01:15:10.672Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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

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.
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CNVD-2017-32099

CVE-2016-5791 (GCVE-0-2016-5791)

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