Vulnerability-Lookup

CNVD-2021-94947

Vulnerability from cnvd - Published: 2021-12-07

Title

DedeCMS任意PHP代码执行漏洞（CNVD-2021-94947）

Description

DedeCMS（织梦内容管理系统）是集简单、健壮、灵活、开源几大特点的开源内容管理系统。 DedeCMS 5.7 SP2中的plus/search.php组件存在任意PHP代码执行漏洞。该漏洞源于typename.inc的内容在攻击者的控制之下。攻击者可通过typename参数利用该漏洞执行任意PHP代码。

Severity

中

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.dedecms.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-18917

Impacted products

Name
DedeCMS DeDeCMS 5.7 SP2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-18917",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-18917"
    }
  },
  "description": "DedeCMS\uff08\u7ec7\u68a6\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff09\u662f\u96c6\u7b80\u5355\u3001\u5065\u58ee\u3001\u7075\u6d3b\u3001\u5f00\u6e90\u51e0\u5927\u7279\u70b9\u7684\u5f00\u6e90\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u3002\n\nDedeCMS 5.7 SP2\u4e2d\u7684plus/search.php\u7ec4\u4ef6\u5b58\u5728\u4efb\u610fPHP\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8etypename.inc\u7684\u5185\u5bb9\u5728\u653b\u51fb\u8005\u7684\u63a7\u5236\u4e4b\u4e0b\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7typename\u53c2\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610fPHP\u4ee3\u7801\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\nhttp://www.dedecms.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-94947",
  "openTime": "2021-12-07",
  "products": {
    "product": "DedeCMS DeDeCMS 5.7 SP2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-18917",
  "serverity": "\u4e2d",
  "submitTime": "2021-08-25",
  "title": "DedeCMS\u4efb\u610fPHP\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2021-94947\uff09"
}

CVE-2020-18917 (GCVE-0-2020-18917)

Vulnerability from cvelistv5 – Published: 2021-08-24 19:34 – Updated: 2024-08-04 14:08

Summary

The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because the contents of typename.inc are under an attacker's control.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
http://tusk1.cn/2019/05/12/DeDecms-v5-7-sp2-CRSF-…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:08:30.602Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://tusk1.cn/2019/05/12/DeDecms-v5-7-sp2-CRSF-%E6%96%87%E4%BB%B6%E6%93%8D%E4%BD%9C-%E5%89%8D%E5%8F%B0getshell/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because the contents of typename.inc are under an attacker\u0027s control."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-24T19:34:10.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://tusk1.cn/2019/05/12/DeDecms-v5-7-sp2-CRSF-%E6%96%87%E4%BB%B6%E6%93%8D%E4%BD%9C-%E5%89%8D%E5%8F%B0getshell/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-18917",
          "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": "The plus/search.php component in DedeCMS 5.7 SP2 allows remote attackers to execute arbitrary PHP code via the typename parameter because the contents of typename.inc are under an attacker\u0027s control."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://tusk1.cn/2019/05/12/DeDecms-v5-7-sp2-CRSF-%E6%96%87%E4%BB%B6%E6%93%8D%E4%BD%9C-%E5%89%8D%E5%8F%B0getshell/",
              "refsource": "MISC",
              "url": "http://tusk1.cn/2019/05/12/DeDecms-v5-7-sp2-CRSF-%E6%96%87%E4%BB%B6%E6%93%8D%E4%BD%9C-%E5%89%8D%E5%8F%B0getshell/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-18917",
    "datePublished": "2021-08-24T19:34:10.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2024-08-04T14:08:30.602Z",
    "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.

Action not permitted

CNVD-2021-94947

CVE-2020-18917 (GCVE-0-2020-18917)

Tags

Sightings

Nomenclature

Related by attack behaviour