CVE-2021-21706
Vulnerability from cvelistv5
Published
2021-10-04 04:00
Modified
2024-09-16 23:06
Severity ?
EPSS score ?
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.
References
▼ | URL | Tags | |
---|---|---|---|
security@php.net | https://bugs.php.net/bug.php?id=81420 | Issue Tracking, Patch, Vendor Advisory | |
security@php.net | https://security.netapp.com/advisory/ntap-20211029-0007/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://bugs.php.net/bug.php?id=81420 | Issue Tracking, Patch, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://security.netapp.com/advisory/ntap-20211029-0007/ | Third Party Advisory |
Impacted products
{ 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: 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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\"]}]}}", }, }
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Sightings
Author | Source | Type | Date |
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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.