Vulnerability-Lookup

CNVD-2021-103406

Vulnerability from cnvd - Published: 2021-12-30

Title

Digi RealPort存在未明漏洞（CNVD-2021-103406）

Description

Digi RealPort是一种专有的 Serial-over-LAN 封装协议。它通过将 ICS 协议数据封装在基于 TCP 的协议中，为网络上任何地方的串行设备提供虚拟连接。 Digi RealPort 4.8.488.0之前版本存在安全漏洞，该漏洞源于软件在处理ADDP发现响应消息时存在缓冲区溢出，攻击者可利用该漏洞导致任意代码的执行。

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： https://www.digi.com/support/knowledge-base/what-is-realport

Reference

https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt

Impacted products

Name
Digi RealPort for Windows <=4.8.488.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-35977"
    }
  },
  "description": "Digi RealPort\u662f\u4e00\u79cd\u4e13\u6709\u7684 Serial-over-LAN \u5c01\u88c5\u534f\u8bae\u3002\u5b83\u901a\u8fc7\u5c06 ICS \u534f\u8bae\u6570\u636e\u5c01\u88c5\u5728\u57fa\u4e8e TCP \u7684\u534f\u8bae\u4e2d\uff0c\u4e3a\u7f51\u7edc\u4e0a\u4efb\u4f55\u5730\u65b9\u7684\u4e32\u884c\u8bbe\u5907\u63d0\u4f9b\u865a\u62df\u8fde\u63a5\u3002\n\nDigi RealPort 4.8.488.0\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u5728\u5904\u7406ADDP\u53d1\u73b0\u54cd\u5e94\u6d88\u606f\u65f6\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u4efb\u610f\u4ee3\u7801\u7684\u6267\u884c\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://www.digi.com/support/knowledge-base/what-is-realport",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-103406",
  "openTime": "2021-12-30",
  "products": {
    "product": "Digi RealPort for Windows \u003c=4.8.488.0"
  },
  "referenceLink": "https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt",
  "serverity": "\u9ad8",
  "submitTime": "2021-10-11",
  "title": "Digi RealPort\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-103406\uff09"
}

CVE-2021-35977 (GCVE-0-2021-35977)

Vulnerability from cvelistv5 – Published: 2021-10-08 14:19 – Updated: 2024-08-04 00:47

Summary

An issue was discovered in Digi RealPort for Windows through 4.8.488.0. A buffer overflow exists in the handling of ADDP discovery response messages. This could result in arbitrary code execution.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://raw.githubusercontent.com/reidmefirst/vul…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:47:43.502Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Digi RealPort for Windows through 4.8.488.0. A buffer overflow exists in the handling of ADDP discovery response messages. This could result in arbitrary code execution."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-08T14:19:04.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-35977",
          "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 issue was discovered in Digi RealPort for Windows through 4.8.488.0. A buffer overflow exists in the handling of ADDP discovery response messages. This could result in arbitrary code execution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt",
              "refsource": "MISC",
              "url": "https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-35977",
    "datePublished": "2021-10-08T14:19:04.000Z",
    "dateReserved": "2021-06-30T00:00:00.000Z",
    "dateUpdated": "2024-08-04T00:47:43.502Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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.

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-2021-103406

CVE-2021-35977 (GCVE-0-2021-35977)

Tags

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Nomenclature

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