Vulnerability-Lookup

PYSEC-2021-866

Vulnerability from pysec - Published: 2021-11-26 20:15 - Updated: 2022-01-05 02:16

Details

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.

Impacted products

Name	purl
html-to-csv	pkg:pypi/html-to-csv

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "html-to-csv",
        "purl": "pkg:pypi/html-to-csv"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.1",
        "0.0.2",
        "0.0.3.post1",
        "0.1.0",
        "0.1.1",
        "0.1.2",
        "0.1.3"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23654",
    "SNYK-PYTHON-HTMLTOCSV-1582784",
    "GHSA-fwf6-rw69-hhj4"
  ],
  "details": "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.",
  "id": "PYSEC-2021-866",
  "modified": "2022-01-05T02:16:24.626882Z",
  "published": "2021-11-26T20:15:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.py"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-fwf6-rw69-hhj4"
    }
  ]
}

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

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 CNA under the mitre root

CNA scorecard C 60/100 over 17 records in the last 180 days details

References

2 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

1 product

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

Date Public

2021-11-26 00:00

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": "2021-11-26T00:00:00.000Z",
      "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": "2021-11-26T20:05:11.000Z",
        "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": "2021-11-26T20:05:11.206Z",
    "dateReserved": "2021-01-08T00:00:00.000Z",
    "dateUpdated": "2024-09-16T17:43:55.862Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-FWF6-RW69-HHJ4

Vulnerability from github – Published: 2021-11-30 22:22 – Updated: 2024-09-20 21:51

Summary

Improper Neutralization of Formula Elements in a CSV File in html-2-csv

Details

Severity

5.6 (Medium)


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

6.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "html-to-csv"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23654"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1236"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-11-29T20:28:01Z",
    "nvd_published_at": "2021-11-26T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-fwf6-rw69-hhj4",
  "modified": "2024-09-20T21:51:03Z",
  "published": "2021-11-30T22:22:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23654"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hanwentao/html2csv/issues/9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-fwf6-rw69-hhj4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/hanwentao/html2csv"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.py"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/html-to-csv/PYSEC-2021-866.yaml"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Improper Neutralization of Formula Elements in a CSV File in html-2-csv"
}

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.

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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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PYSEC-2021-866

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

GHSA-FWF6-RW69-HHJ4

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