CVE-2017-6441

** DISPUTED ** The _zval_get_long_func_ex in Zend/zend_operators.c in PHP 7.1.2 allows attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted use of "declare(ticks=" in a PHP script. NOTE: the vendor disputes the classification of this as a vulnerability, stating "Please do not request CVEs for ordinary bugs. CVEs are relevant for security issues only."

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugs.php.net/bug.php?id=74146	Issue Tracking
https://github.com/php/php-src/pull/2396	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-04-03 05:59

Updated : 2024-08-05 16:15

NVD link : CVE-2017-6441

Mitre link : CVE-2017-6441

CVE.ORG link : CVE-2017-6441

JSON object : View

Products Affected

php

php

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2017-6441", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2017-04-03T05:59:00.910", "references": [{"url": "https://bugs.php.net/bug.php?id=74146", "tags": ["Issue Tracking"], "source": "cve@mitre.org"}, {"url": "https://github.com/php/php-src/pull/2396", "tags": ["Patch"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "The _zval_get_long_func_ex in Zend/zend_operators.c in PHP 7.1.2 allows attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted use of \"declare(ticks=\" in a PHP script. NOTE: the vendor disputes the classification of this as a vulnerability, stating \"Please do not request CVEs for ordinary bugs. CVEs are relevant for security issues only."}, {"lang": "es", "value": "** EN DISPUTA ** El _zval_get_long_func_ex en Zend/zend_operators.c en PHP 7.1.2 permite a atacantes provocar una denegaci\u00f3n de servicio (referencia al puntero NULL y ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s del uso manipulado de \"declare(ticks=\" en el script PHP. NOTA:El proveedor disputar\u00e1 la clasificaci\u00f3n de esto como una vulnerabilidad, declarando: \"Por favor, no solicite CVEs para los errores ordinarios. CVEs son relevantes s\u00f3lo para problemas de seguridad\"."}], "lastModified": "2024-08-05T16:15:22.050", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EADBF7EE-18DC-49F9-BF2F-A09BBAE76F45"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}