Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2024-03-06 11:04

Modified

2025-05-20 10:02

Summary

ZipArchive::extractTo may extract outside of destination dir

Details

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "php",
        "purl": "pkg:bitnami/php"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.3.0"
            },
            {
              "fixed": "7.3.31"
            },
            {
              "introduced": "7.4.0"
            },
            {
              "fixed": "7.4.24"
            },
            {
              "introduced": "8.0.0"
            },
            {
              "fixed": "8.0.11"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-21706"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.",
  "id": "BIT-php-2021-21706",
  "modified": "2025-05-20T10:02:07.006Z",
  "published": "2024-03-06T11:04:50.991Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=81420"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20211029-0007/"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21706"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "ZipArchive::extractTo may extract outside of destination dir"
}

CVE-2021-21706 (GCVE-0-2021-21706)

Vulnerability from cvelistv5 – Published: 2021-10-04 04:00 – Updated: 2024-09-16 23:06

Title

ZipArchive::extractTo may extract outside of destination dir

Summary

Severity ?

5.3 (Medium)


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

CWE

CWE-24 - Path Traversal: '../filedir'

Assigner

php

References

URL

Tags

	https://bugs.php.net/bug.php?id=81420	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2021102…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	PHP Group	PHP	Affected: 7.3.x , < 7.3.31 (custom) Affected: 7.4.x , < 7.4.24 (custom) Affected: 8.0.X , < 8.0.11 (custom)

Credits

reported by vi at hackberry dot xyz

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:23:28.483Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugs.php.net/bug.php?id=81420"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20211029-0007/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Windows"
          ],
          "product": "PHP",
          "vendor": "PHP Group",
          "versions": [
            {
              "lessThan": "7.3.31",
              "status": "affected",
              "version": "7.3.x",
              "versionType": "custom"
            },
            {
              "lessThan": "7.4.24",
              "status": "affected",
              "version": "7.4.x",
              "versionType": "custom"
            },
            {
              "lessThan": "8.0.11",
              "status": "affected",
              "version": "8.0.X",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "reported by vi at hackberry dot xyz"
        }
      ],
      "datePublic": "2021-09-21T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-24",
              "description": "CWE-24 Path Traversal: \u0027../filedir\u0027",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-29T12:06:47",
        "orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
        "shortName": "php"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugs.php.net/bug.php?id=81420"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20211029-0007/"
        }
      ],
      "source": {
        "defect": [
          "https://bugs.php.net/bug.php?id=81420"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "ZipArchive::extractTo may extract outside of destination dir",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@php.net",
          "DATE_PUBLIC": "2021-09-21T11:32:00.000Z",
          "ID": "CVE-2021-21706",
          "STATE": "PUBLIC",
          "TITLE": "ZipArchive::extractTo may extract outside of destination dir"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "PHP",
                      "version": {
                        "version_data": [
                          {
                            "platform": "Windows",
                            "version_affected": "\u003c",
                            "version_name": "7.3.x",
                            "version_value": "7.3.31"
                          },
                          {
                            "platform": "Windows",
                            "version_affected": "\u003c",
                            "version_name": "7.4.x",
                            "version_value": "7.4.24"
                          },
                          {
                            "platform": "Windows",
                            "version_affected": "\u003c",
                            "version_name": "8.0.X",
                            "version_value": "8.0.11"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "PHP Group"
              }
            ]
          }
        },
        "credit": [
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          ]
        },
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        "impact": {
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            "attackVector": "NETWORK",
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            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
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                {
                  "lang": "eng",
                  "value": "CWE-24 Path Traversal: \u0027../filedir\u0027"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugs.php.net/bug.php?id=81420",
              "refsource": "MISC",
              "url": "https://bugs.php.net/bug.php?id=81420"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20211029-0007/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20211029-0007/"
            }
          ]
        },
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          ],
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  "cveMetadata": {
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    "assignerShortName": "php",
    "cveId": "CVE-2021-21706",
    "datePublished": "2021-10-04T04:00:17.182563Z",
    "dateReserved": "2021-01-04T00:00:00",
    "dateUpdated": "2024-09-16T23:06:09.569Z",
    "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

Vulnerability from bitnami_vulndb

CVE-2021-21706 (GCVE-0-2021-21706)

Tags

Sightings

Nomenclature