{ "CVE_data_meta": { "ASSIGNER": "security@php.net", "DATE_PUBLIC": "2020-03-17T05:39:00.000Z", "ID": "CVE-2020-7065", "STATE": "PUBLIC", "TITLE": "mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "PHP", "version": { "version_data": [ { "version_affected": "<", "version_name": "7.3.x", "version_value": "7.3.16" }, { "version_affected": "<", "version_name": "7.4.x", "version_value": "7.4.4" } ] } } ] }, "vendor_name": "PHP Group" } ] } }, "credit": [ { "lang": "eng", "value": "anatoly dot trosinenko at gmail dot com" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In PHP versions 7.3.x below 7.3.16 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." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-121 Stack-based Buffer Overflow" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://bugs.php.net/bug.php?id=79371", "name": "https://bugs.php.net/bug.php?id=79371" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20200403-0001/", "url": "https://security.netapp.com/advisory/ntap-20200403-0001/" }, { "refsource": "UBUNTU", "name": "USN-4330-1", "url": "https://usn.ubuntu.com/4330-1/" }, { "refsource": "UBUNTU", "name": "USN-4330-2", "url": "https://usn.ubuntu.com/4330-2/" }, { "refsource": "DEBIAN", "name": "DSA-4719", "url": "https://www.debian.org/security/2020/dsa-4719" }, { "refsource": "CONFIRM", "name": "https://www.php.net/ChangeLog-7.php#7.4.4", "url": "https://www.php.net/ChangeLog-7.php#7.4.4" } ] }, "source": { "defect": [ "https://bugs.php.net/bug.php?id=79371" ], "discovery": "EXTERNAL" } }