CVE-2021-21702

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{}

{"affected": [{"affectedData": [{"product": "PHP", "vendor": "PHP Group", "versions": [{"lessThan": "7.3.27", "status": "affected", "version": "7.3.x", "versionType": "custom"}, {"lessThan": "7.4.15", "status": "affected", "version": "7.4.x", "versionType": "custom"}, {"lessThan": "8.0.2", "status": "affected", "version": "8.0.X", "versionType": "custom"}]}], "source": "security@php.net"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "matchCriteriaId": "21A1DC5C-CFAD-4A37-8343-8F18F446ED45", "versionEndExcluding": "7.3.27", "versionStartIncluding": "7.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "matchCriteriaId": "8043349D-1EEB-46ED-9DC4-7D1D7B60BC78", "versionEndExcluding": "7.4.15", "versionStartIncluding": "7.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "matchCriteriaId": "D70FC63A-BC22-491B-836F-7FDA82D61908", "versionEndExcluding": "8.0.2", "versionStartIncluding": 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versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash."}, {"lang": "es", "value": "En PHP versiones 7.3.x por debajo de 7.3.27, 7.4.x por debajo de 7.4.15 y 8.0.x por debajo de 8.0.2, cuando se usa la extensi\u00f3n SOAP para conectarse a un servidor SOAP, un servidor SOAP malicioso podr\u00eda devolver datos XML malformados como respuesta eso har\u00eda que PHP acceda a un puntero null y, por tanto, causar\u00eda un bloqueo"}], "id": "CVE-2021-21702", "lastModified": "2026-06-17T03:36:01.440", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@php.net", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-15T04:15:12.673", "references": [{"source": "security@php.net", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugs.php.net/bug.php?id=80672"}, {"source": "security@php.net", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html"}, {"source": "security@php.net", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202105-23"}, {"source": "security@php.net", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210312-0005/"}, {"source": "security@php.net", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4856"}, {"source": "security@php.net", "tags": ["Patch", "Third 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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/tns-2021-14"}], "sourceIdentifier": "security@php.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "security@php.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:4213", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "php:7.4-8050020210526053050.3e6e7e84", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-09T00:00:00Z"}, {"advisory": "RHSA-2021:2992", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-php73-php-0:7.3.29-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2021-08-03T00:00:00Z"}, {"advisory": "RHSA-2021:2992", "cpe": "cpe:/a:redhat:rhel_software_collections:3::el7", "package": "rh-php73-php-0:7.3.29-1.el7", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS", "release_date": "2021-08-03T00:00:00Z"}], "bugzilla": {"description": "php: NULL pointer dereference in SoapClient", "id": "1925272", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1925272"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.", "A NULL pointer dereference issue is in the SOAP extension of PHP. More specifically, the flaw occurs in the SoapClient when parsing a WSDL document due to improper checking of a child node name. A malicious or compromised server replies with a crafted WSDL document, leading to a denial of service of the SoapClient accessing said document. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-21702", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "php", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "php53", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "php", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "php", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "php:7.2/php", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "php:7.3/php", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-01-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-21702\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21702"], "statement": "This flaw has been rated as having a security impact of Low, because it requires a malicious or compromised server in order to be exploited, and it only affects the SOAP client.", "threat_severity": "Low"}

{}