{ "id": "CVE-2020-7065", "sourceIdentifier": "security@php.net", "published": "2020-04-01T04:15:13.943", "lastModified": "2024-11-21T05:36:36.200", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution." }, { "lang": "es", "value": "En PHP versiones 7.3.x por debajo de 7.3.16 y versiones 7.4.x por debajo de 7.4.4, mientras se usa la funci\u00f3n mb_strtolower() con codificaci\u00f3n UTF-32LE, determinadas cadenas no comprobadas pueden causar que PHP sobrescriba el b\u00fafer asignado de la pila. Esto podr\u00eda conllevar a una corrupci\u00f3n de la memoria, bloqueos y potencialmente a una ejecuci\u00f3n de c\u00f3digo." } ], "metrics": { "cvssMetricV31": [ { "source": "security@php.net", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "baseScore": 7.4, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 2.2, "impactScore": 5.2 }, { "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:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "baseScore": 6.8, "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "security@php.net", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-121" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ 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"Patch", "Vendor Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20200403-0001/", "source": "security@php.net", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/4330-1/", "source": "security@php.net", "tags": [ "Third Party Advisory" ] }, { "url": "https://usn.ubuntu.com/4330-2/", "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.oracle.com/security-alerts/cpuoct2021.html", "source": "security@php.net", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://www.php.net/ChangeLog-7.php#7.4.4", "source": "security@php.net", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "https://www.tenable.com/security/tns-2021-14", "source": "security@php.net", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugs.php.net/bug.php?id=79371", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Patch", "Vendor Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20200403-0001/", "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://usn.ubuntu.com/4330-2/", "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.oracle.com/security-alerts/cpuoct2021.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://www.php.net/ChangeLog-7.php#7.4.4", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "https://www.tenable.com/security/tns-2021-14", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }