{ "id": "CVE-2020-7062", "sourceIdentifier": "security@php.net", "published": "2020-02-27T21:15:19.037", "lastModified": "2024-11-21T05:36:35.703", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash." }, { "lang": "es", "value": "En PHP versiones 7.2.x por debajo de 7.2.28, versiones 7.3.x por debajo de 7.3.15 y versiones 7.4.x por debajo de 7.4.3, cuando es usada la funcionalidad de carga de archivos, si el seguimiento de progreso de carga est\u00e1 habilitado, pero session.upload_progress.cleanup est\u00e1 ajustado en 0 (deshabilitado), y la carga del archivo presenta un fallo, el procedimiento de carga intentar\u00eda limpiar los datos que no existan y encontrar\u00eda una desreferencia del puntero null, lo que probablemente conllevar\u00eda a un bloqueo." } ], "metrics": { "cvssMetricV31": [ { "source": "security@php.net", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 }, { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "baseScore": 4.3, "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "security@php.net", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-476" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.2.0", "versionEndIncluding": "7.2.27", "matchCriteriaId": "C6DEDF33-5700-450F-980D-8CA598A53DED" }, { "vulnerable": true, "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.3.0", "versionEndIncluding": "7.3.14", "matchCriteriaId": "1CA6A47B-6146-4361-AED1-4263B7911C6C" }, { "vulnerable": true, "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.4.0", "versionEndIncluding": "7.4.2", "matchCriteriaId": "D73AA9E0-B622-41A6-9E5B-924051D4CA61" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": 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"https://www.debian.org/security/2020/dsa-4717", "source": "security@php.net", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2020/dsa-4719", "source": "security@php.net", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.tenable.com/security/tns-2021-14", "source": "security@php.net", "tags": [ "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://bugs.php.net/bug.php?id=79221", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Vendor Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00034.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202003-57", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/4330-1/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2020/dsa-4717", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.debian.org/security/2020/dsa-4719", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.tenable.com/security/tns-2021-14", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }