Vulnerability-Lookup

GHSA-WMPM-FQ7R-JQ56

Vulnerability from github – Published: 2021-09-02 22:05 – Updated: 2022-07-13 19:09

Summary

Imporoper path validation in elFinder.NetCore

Details

This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.

Severity ?

9.8 (Critical)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "elFinder.NetCore"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.3.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23427"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-09-02T18:03:43Z",
    "nvd_published_at": "2021-09-01T15:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.",
  "id": "GHSA-wmpm-fq7r-jq56",
  "modified": "2022-07-13T19:09:43Z",
  "published": "2021-09-02T22:05:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23427"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/gordon-matt/elFinder.NetCore"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs#L226"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Imporoper path validation in elFinder.NetCore"
}

CVE-2021-23427 (GCVE-0-2021-23427)

Vulnerability from cvelistv5 – Published: 2021-09-01 14:30 – Updated: 2024-09-16 16:38

Title

Arbitrary File Write via Archive Extraction (Zip Slip)

Summary

This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation.

Severity ?

8.6 (High)


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

CWE

Arbitrary File Write via Archive Extraction (Zip Slip)

Assigner

snyk

References

URL

Tags

	https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-…	x_refsource_MISC
	https://github.com/gordon-matt/elFinder.NetCore/b…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	elFinder.NetCore	Affected: 0 , < unspecified (custom)

Credits

Timo Müller

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:05:55.936Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "elFinder.NetCore",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Timo M\u00fcller"
        }
      ],
      "datePublic": "2021-09-01T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "FUNCTIONAL",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "remediationLevel": "UNAVAILABLE",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 8.4,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:F/RL:U/RC:C",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Arbitrary File Write via Archive Extraction (Zip Slip)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-01T14:30:17",
        "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "shortName": "snyk"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226"
        }
      ],
      "title": "Arbitrary File Write via Archive Extraction (Zip Slip)",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "report@snyk.io",
          "DATE_PUBLIC": "2021-09-01T14:29:03.247925Z",
          "ID": "CVE-2021-23427",
          "STATE": "PUBLIC",
          "TITLE": "Arbitrary File Write via Archive Extraction (Zip Slip)"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "elFinder.NetCore",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Timo M\u00fcller"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "This affects all versions of package elFinder.NetCore. The ExtractAsync function within the FileSystem is vulnerable to arbitrary extraction due to insufficient validation."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:F/RL:U/RC:C",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Arbitrary File Write via Archive Extraction (Zip Slip)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778",
              "refsource": "MISC",
              "url": "https://snyk.io/vuln/SNYK-DOTNET-ELFINDERNETCORE-1567778"
            },
            {
              "name": "https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226",
              "refsource": "MISC",
              "url": "https://github.com/gordon-matt/elFinder.NetCore/blob/633da9a4d7d5c9baefd1730ee51bf7af54889600/elFinder.NetCore/Drivers/FileSystem/FileSystemDriver.cs%23L226"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
    "assignerShortName": "snyk",
    "cveId": "CVE-2021-23427",
    "datePublished": "2021-09-01T14:30:17.562183Z",
    "dateReserved": "2021-01-08T00:00:00",
    "dateUpdated": "2024-09-16T16:38:08.993Z",
    "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

GHSA-WMPM-FQ7R-JQ56

CVE-2021-23427 (GCVE-0-2021-23427)

Tags

Sightings

Nomenclature