Vulnerability-Lookup

CNVD-2021-09047

Vulnerability from cnvd - Published: 2021-02-04

Title

Sourceforge Dual DHCP DNS Server权限提升漏洞

Description

Sourceforge Dual DHCP DNS Server是Sourceforge组织的一个支持Linux/Windows平台并可提供DHCP和DNS服务的开源软件。 Dual DHCP DNS Server 7.40版本存在权限提升漏洞，该漏洞源于默认安装目录中无足够的访问限制，攻击者可利用该漏洞可以通过替换DualServer.exe二进制文件来提升特权。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/an0ry/advisories/blob/main/CVE-2020-26133.md

Reference

https://sourceforge.net/projects/dhcp-dns-server/

Impacted products

Name
SourceForge Sourceforge Dual DHCP DNS Server 7.40

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26133",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26133"
    }
  },
  "description": "Sourceforge Dual DHCP DNS Server\u662fSourceforge\u7ec4\u7ec7\u7684\u4e00\u4e2a\u652f\u6301Linux/Windows\u5e73\u53f0\u5e76\u53ef\u63d0\u4f9bDHCP\u548cDNS\u670d\u52a1\u7684\u5f00\u6e90\u8f6f\u4ef6\u3002\n\nDual DHCP DNS Server 7.40\u7248\u672c\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9ed8\u8ba4\u5b89\u88c5\u76ee\u5f55\u4e2d\u65e0\u8db3\u591f\u7684\u8bbf\u95ee\u9650\u5236\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7\u66ff\u6362DualServer.exe\u4e8c\u8fdb\u5236\u6587\u4ef6\u6765\u63d0\u5347\u7279\u6743\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://github.com/an0ry/advisories/blob/main/CVE-2020-26133.md",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-09047",
  "openTime": "2021-02-04",
  "products": {
    "product": "SourceForge Sourceforge Dual DHCP DNS Server 7.40"
  },
  "referenceLink": "https://sourceforge.net/projects/dhcp-dns-server/",
  "serverity": "\u9ad8",
  "submitTime": "2020-11-05",
  "title": "Sourceforge Dual DHCP DNS Server\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2020-26133 (GCVE-0-2020-26133)

Vulnerability from cvelistv5 – Published: 2020-10-28 00:00 – Updated: 2024-08-04 15:49

Summary

An issue was discovered in Dual DHCP DNS Server 7.40. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the DualServer.exe binary.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://sourceforge.net/projects/dhcp-dns-server/
https://github.com/an0ry/advisories
https://github.com/OffensiveOceloot/advisories/bl…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:49:07.121Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceforge.net/projects/dhcp-dns-server/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/an0ry/advisories"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26133.md"
          }
        ],
        "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 Dual DHCP DNS Server 7.40. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the DualServer.exe binary."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-27T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://sourceforge.net/projects/dhcp-dns-server/"
        },
        {
          "url": "https://github.com/an0ry/advisories"
        },
        {
          "url": "https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26133.md"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-26133",
    "datePublished": "2020-10-28T00:00:00.000Z",
    "dateReserved": "2020-09-28T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:49:07.121Z",
    "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.

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.

Action not permitted

CNVD-2021-09047

CVE-2020-26133 (GCVE-0-2020-26133)

Tags

Sightings

Nomenclature

Related by attack behaviour