Vulnerability-Lookup

CNVD-2022-06512

Vulnerability from cnvd - Published: 2022-01-25

Title

html2csv存在未明漏洞

Description

Html2Csv是一个开源的实用程序。用于从Html文档中提取表格并将其转换为Csv格式。 html2csv存在安全漏洞，该漏洞源于当在HTML页面中嵌入一个公式时，公式将在没有任何验证的情况下被接受，并在将其转换为CSV文件时被推送。通过这种方式，攻击者可利用漏洞参与者可以嵌入或生成恶意链接或通过CSV文件执行命令。

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/hanwentao/html2csv

Reference

https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784

Impacted products

Name
Html2Csv Html2Csv

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23654"
    }
  },
  "description": "Html2Csv\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5b9e\u7528\u7a0b\u5e8f\u3002\u7528\u4e8e\u4eceHtml\u6587\u6863\u4e2d\u63d0\u53d6\u8868\u683c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aCsv\u683c\u5f0f\u3002\n\nhtml2csv\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5f53\u5728HTML\u9875\u9762\u4e2d\u5d4c\u5165\u4e00\u4e2a\u516c\u5f0f\u65f6\uff0c\u516c\u5f0f\u5c06\u5728\u6ca1\u6709\u4efb\u4f55\u9a8c\u8bc1\u7684\u60c5\u51b5\u4e0b\u88ab\u63a5\u53d7\uff0c\u5e76\u5728\u5c06\u5176\u8f6c\u6362\u4e3aCSV\u6587\u4ef6\u65f6\u88ab\u63a8\u9001\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u53c2\u4e0e\u8005\u53ef\u4ee5\u5d4c\u5165\u6216\u751f\u6210\u6076\u610f\u94fe\u63a5\u6216\u901a\u8fc7CSV\u6587\u4ef6\u6267\u884c\u547d\u4ee4\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/hanwentao/html2csv",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-06512",
  "openTime": "2022-01-25",
  "products": {
    "product": "Html2Csv Html2Csv"
  },
  "referenceLink": "https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-30",
  "title": "html2csv\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-23654 (GCVE-0-2021-23654)

Vulnerability from cvelistv5 – Published: 2021-11-26 20:05 – Updated: 2024-09-16 17:43

Title

Improper Input Validation

Summary

This affects all versions of package html-to-csv. When there is a formula embedded in a HTML page, it gets accepted without any validation and the same would be pushed while converting it into a CSV file. Through this a malicious actor can embed or generate a malicious link or execute commands via CSV files.

Severity ?

5.6 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

Improper Input Validation

Assigner

snyk

References

URL

Tags

	https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784	x_refsource_MISC
	https://github.com/hanwentao/html2csv/blob/master…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	html-to-csv	Affected: 0 , < unspecified (custom)

Credits

0xbughunter

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:14:08.783Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.py"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "html-to-csv",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "0xbughunter"
        }
      ],
      "datePublic": "2021-11-26T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "This affects all versions of package html-to-csv. When there is a formula embedded in a HTML page, it gets accepted without any validation and the same would be pushed while converting it into a CSV file. Through this a malicious actor can embed or generate a malicious link or execute commands via CSV files."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Input Validation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-26T20:05:11",
        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "shortName": "snyk"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.py"
        }
      ],
      "title": "Improper Input Validation",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "report@snyk.io",
          "DATE_PUBLIC": "2021-11-26T20:00:02.562939Z",
          "ID": "CVE-2021-23654",
          "STATE": "PUBLIC",
          "TITLE": "Improper Input Validation"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "html-to-csv",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "0xbughunter"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "This affects all versions of package html-to-csv. When there is a formula embedded in a HTML page, it gets accepted without any validation and the same would be pushed while converting it into a CSV file. Through this a malicious actor can embed or generate a malicious link or execute commands via CSV files."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784",
              "refsource": "MISC",
              "url": "https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784"
            },
            {
              "name": "https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.py",
              "refsource": "MISC",
              "url": "https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.py"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
    "assignerShortName": "snyk",
    "cveId": "CVE-2021-23654",
    "datePublished": "2021-11-26T20:05:11.206936Z",
    "dateReserved": "2021-01-08T00:00:00",
    "dateUpdated": "2024-09-16T17:43:55.862Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2022-06512

CVE-2021-23654 (GCVE-0-2021-23654)

Tags

Sightings

Nomenclature