CVE-2021-21706
Vulnerability from cvelistv5
Published
2021-10-04 04:00
Modified
2024-09-16 23:06
Summary
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.
Impacted products
Vendor Product Version
PHP Group PHP Version: 7.3.x   < 7.3.31
Version: 7.4.x   < 7.4.24
Version: 8.0.X   < 8.0.11
Create a notification for this product.
Show details on NVD website


{
   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: '../filedir'",
                     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: "<",
                                          version_name: "7.3.x",
                                          version_value: "7.3.31",
                                       },
                                       {
                                          platform: "Windows",
                                          version_affected: "<",
                                          version_name: "7.4.x",
                                          version_value: "7.4.24",
                                       },
                                       {
                                          platform: "Windows",
                                          version_affected: "<",
                                          version_name: "8.0.X",
                                          version_value: "8.0.11",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "PHP Group",
                     },
                  ],
               },
            },
            credit: [
               {
                  lang: "eng",
                  value: "reported by vi at hackberry dot xyz",
               },
            ],
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     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.",
                  },
               ],
            },
            generator: {
               engine: "Vulnogram 0.0.9",
            },
            impact: {
               cvss: {
                  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",
               },
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "CWE-24 Path Traversal: '../filedir'",
                        },
                     ],
                  },
               ],
            },
            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/",
                  },
               ],
            },
            source: {
               defect: [
                  "https://bugs.php.net/bug.php?id=81420",
               ],
               discovery: "EXTERNAL",
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
      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",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2021-21706\",\"sourceIdentifier\":\"security@php.net\",\"published\":\"2021-10-04T04:15:08.350\",\"lastModified\":\"2024-11-21T05:48:52.470\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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.\"},{\"lang\":\"es\",\"value\":\"En PHP versiones de 7.3.x por debajo de 7.3.31, versiones 7.4.x por debajo de 7.4.24 y 8.0.x por debajo de 8.0.11, en el entorno de Microsoft Windows, la función ZipArchive::extractTo puede ser engañada para escribir un archivo fuera del directorio de destino cuando es extraído un archivo ZIP, causando así potencialmente una creación o sobreescritura de archivos, sujeto a los permisos del Sistema Operativo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@php.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.6,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"security@php.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-24\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.3.0\",\"versionEndExcluding\":\"7.3.31\",\"matchCriteriaId\":\"FB0C3B54-5557-4013-9453-CCAB94BF6A34\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.4.0\",\"versionEndExcluding\":\"7.4.24\",\"matchCriteriaId\":\"C714AE0D-1990-455D-BEA7-B3FF454DFEBF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndExcluding\":\"8.0.11\",\"matchCriteriaId\":\"35A8B10D-C9FF-474F-BEC1-196F6DDC4948\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"https://bugs.php.net/bug.php?id=81420\",\"source\":\"security@php.net\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20211029-0007/\",\"source\":\"security@php.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.php.net/bug.php?id=81420\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20211029-0007/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.