Vulnerability-Lookup

CNVD-2021-101991

Vulnerability from cnvd - Published: 2021-12-24

Title

WordPress ToTop Link插件代码问题漏洞

Description

WordPress是Wordpress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。ToTop Link插件是WordPress开源的一个应用插件。 WordPress ToTop Link Plugin在1.7.1之前版本存在代码问题漏洞，该漏洞源于的插件将base64编码的用户输入传递给unserialize() PHP函数序列化数据的不安全反序列化处理，攻击者可以利用该漏洞通过精心构造的反序列化数据来执行任意代码。

Severity

高

Patch Name

WordPress ToTop Link插件代码问题漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-24857

Impacted products

Name
WordPress ToTop Link Plugin <1.7.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-24857",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-24857"
    }
  },
  "description": "WordPress\u662fWordpress\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4f7f\u7528PHP\u8bed\u8a00\u5f00\u53d1\u7684\u535a\u5ba2\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u652f\u6301\u5728PHP\u548cMySQL\u7684\u670d\u52a1\u5668\u4e0a\u67b6\u8bbe\u4e2a\u4eba\u535a\u5ba2\u7f51\u7ad9\u3002ToTop Link\u63d2\u4ef6\u662fWordPress\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u63d2\u4ef6\u3002\n\nWordPress ToTop Link Plugin\u57281.7.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e \uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7684\u63d2\u4ef6\u5c06base64\u7f16\u7801\u7684\u7528\u6237\u8f93\u5165\u4f20\u9012\u7ed9unserialize() PHP\u51fd\u6570\u5e8f\u5217\u5316\u6570\u636e\u7684\u4e0d\u5b89\u5168\u53cd\u5e8f\u5217\u5316\u5904\u7406\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u6784\u9020\u7684\u53cd\u5e8f\u5217\u5316\u6570\u636e\u6765\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-101991",
  "openTime": "2021-12-24",
  "patchDescription": "WordPress\u662fWordpress\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4f7f\u7528PHP\u8bed\u8a00\u5f00\u53d1\u7684\u535a\u5ba2\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u652f\u6301\u5728PHP\u548cMySQL\u7684\u670d\u52a1\u5668\u4e0a\u67b6\u8bbe\u4e2a\u4eba\u535a\u5ba2\u7f51\u7ad9\u3002ToTop Link\u63d2\u4ef6\u662fWordPress\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u63d2\u4ef6\u3002\r\n\r\nWordPress ToTop Link Plugin\u57281.7.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e \uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7684\u63d2\u4ef6\u5c06base64\u7f16\u7801\u7684\u7528\u6237\u8f93\u5165\u4f20\u9012\u7ed9unserialize() PHP\u51fd\u6570\u5e8f\u5217\u5316\u6570\u636e\u7684\u4e0d\u5b89\u5168\u53cd\u5e8f\u5217\u5316\u5904\u7406\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u6784\u9020\u7684\u53cd\u5e8f\u5217\u5316\u6570\u636e\u6765\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "WordPress ToTop Link\u63d2\u4ef6\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "WordPress ToTop Link Plugin \u003c1.7.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-24857",
  "serverity": "\u9ad8",
  "submitTime": "2021-12-18",
  "title": "WordPress ToTop Link\u63d2\u4ef6\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-24857 (GCVE-0-2021-24857)

Vulnerability from cvelistv5 – Published: 2021-12-13 10:41 – Updated: 2024-08-03 19:42

Title

ToTop Link <= 1.7.1 - Unauthenticated PHP Object Injection

Summary

The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain.

Severity

No CVSS data available.

CWE

CWE-502 - Deserialization of Untrusted Data

Assigner

WPScan mitre root Scorecard

References

1 reference

URL	Tags
https://wpscan.com/vulnerability/518204d8-fbf5-4b…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Unknown	ToTop Link	Affected: 1.7.1 , ≤ 1.7.1 (custom)

Credits

Muhammed Kara

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:42:17.347Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ToTop Link",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThanOrEqual": "1.7.1",
              "status": "affected",
              "version": "1.7.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Muhammed Kara"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of Untrusted Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-13T10:41:09.000Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "ToTop Link \u003c= 1.7.1 - Unauthenticated PHP Object Injection",
      "x_generator": "WPScan CVE Generator",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "contact@wpscan.com",
          "ID": "CVE-2021-24857",
          "STATE": "PUBLIC",
          "TITLE": "ToTop Link \u003c= 1.7.1 - Unauthenticated PHP Object Injection"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "ToTop Link",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "1.7.1",
                            "version_value": "1.7.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Unknown"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Muhammed Kara"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain."
            }
          ]
        },
        "generator": "WPScan CVE Generator",
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-502 Deserialization of Untrusted Data"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e",
              "refsource": "MISC",
              "url": "https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2021-24857",
    "datePublished": "2021-12-13T10:41:09.000Z",
    "dateReserved": "2021-01-14T00:00:00.000Z",
    "dateUpdated": "2024-08-03T19:42:17.347Z",
    "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-2021-101991

CVE-2021-24857 (GCVE-0-2021-24857)

Tags

Sightings

Nomenclature

Related by attack behaviour