CVE-2009-4418

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2009-12-24T17:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf"}, {"tags": ["x_refsource_MISC"], "url": "http://www.suspekt.org/2009/11/28/shocking-news-in-php-exploitation/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2009-4418", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf", "refsource": "MISC", "url": "http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf"}, {"name": "http://www.suspekt.org/2009/11/28/shocking-news-in-php-exploitation/", "refsource": "MISC", "url": "http://www.suspekt.org/2009/11/28/shocking-news-in-php-exploitation/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T07:01:20.472Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.suspekt.org/2009/11/28/shocking-news-in-php-exploitation/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2009-4418", "datePublished": "2009-12-24T17:00:00.000Z", "dateReserved": "2009-12-24T00:00:00.000Z", "dateUpdated": "2024-09-17T02:36:19.215Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "matchCriteriaId": "74041A08-9056-48CA-99EC-3427600DC90C", "versionEndIncluding": "5.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5:*:*:*:*:*:*:*", "matchCriteriaId": "6A7EED44-A15E-451F-BF5B-DB0BECA73C4A", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "0F9D7662-A5B6-41D0-B6A1-E5ABC5ABA47F", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "E3797AB5-9E49-4251-A212-B6E5D9996764", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "D61D9CE9-F7A3-4F52-9D4E-B2473804ECB7", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "7007E77F-60EF-44D8-9676-15B59DF1325F", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "E727CECE-E452-489A-A42F-5A069D6AF80E", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "149A1FB8-593E-412B-8E1C-3E560301D500", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:beta3:*:*:*:*:*:*", "matchCriteriaId": "5D6E8982-D7AE-4A52-8F7C-A4D59D2A2CA4", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:beta4:*:*:*:*:*:*", "matchCriteriaId": "8FC144FA-8F84-44C0-B263-B639FEAD20FB", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "295907B4-C3DE-4021-BE3B-A8826D4379E6", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "DBC98F82-6E1D-4A89-8ED4-ECD9BD954EB4", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "B881352D-954E-4FC0-9E42-93D02A3F3089", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "17437AED-816A-4CCF-96DE-8C3D0CC8DB2B", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "74E7AE59-1CB0-4300-BBE0-109F909789EF", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "9222821E-370F-4616-B787-CC22C2F4E7CD", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "9809449F-9A76-4318-B233-B4C2950A6EA9", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:*", "matchCriteriaId": "0AA962D4-A4EC-4DC3-B8A9-D10941B92781", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "F8CDFEF9-C367-4800-8A2F-375C261FAE55", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "16E43B88-1563-4EFD-9267-AE3E8C35D67A", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*", "matchCriteriaId": "11E5715F-A8BC-49EF-836B-BB78E1BC0790", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "5FA68843-158E-463E-B68A-1ACF041C4E10", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:*", "matchCriteriaId": "1874F637-77E2-4C4A-BF92-AEE96A60BFB0", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.1.5:*:*:*:*:*:*:*", "matchCriteriaId": "9592B32E-55CD-42D0-901E-8319823BC820", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.1.6:*:*:*:*:*:*:*", "matchCriteriaId": "A9BF34B5-F74C-4D56-9841-42452D60CB87", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "CD02D837-FD28-4E0F-93F8-25E8D1C84A99", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "88358D1E-BE6F-4CE3-A522-83D1FA4739E3", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "D8B97B03-7DA7-4A5F-89B4-E78CAB20DE17", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "86767200-6C9C-4C3E-B111-0E5BE61E197B", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*", "matchCriteriaId": "B00B416D-FF23-4C76-8751-26D305F0FA0F", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.4:*:windows:*:*:*:*:*", "matchCriteriaId": "F526115E-A68E-4B10-AA6A-9CD26CB81AF3", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*", "matchCriteriaId": "CCB6CDDD-70D3-4004-BCE0-8C4723076103", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*", "matchCriteriaId": "A782CA26-9C38-40A8-92AE-D47B14D2FCE3", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*", "matchCriteriaId": "1C0E7E2A-4770-4B68-B74C-5F5A6E1876DC", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*", "matchCriteriaId": "0892C89E-9389-4452-B7E0-981A763CD426", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*", "matchCriteriaId": "635F3CB1-B042-43CC-91AB-746098018D8C", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*", "matchCriteriaId": "E1F32DDF-17A3-45B5-9227-833EBEBD3923", "vulnerable": true}, {"criteria": "cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*", "matchCriteriaId": "2CDFB7E9-8510-430F-BFBC-FD811D60DC78", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences."}, {"lang": "es", "value": "La funci\u00f3n deserializada (unserialize) en PHP 5.3.0 y anteriores permite a atacantes dependientes del contexto causar una denegaci\u00f3n de servicio (consumo de recursos) a trav\u00e9s una variables anidadas profundamente, como queda demostrada con una cadena inicializada con a:1: seguida de una larga secuencia {a:1: ."}], "id": "CVE-2009-4418", "lastModified": "2026-06-16T23:13:37.857", "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}]}, "published": "2009-12-24T17:30:00.233", "references": [{"source": "cve@mitre.org", "url": "http://www.suspekt.org/2009/11/28/shocking-news-in-php-exploitation/"}, {"source": "cve@mitre.org", "url": "http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.suspekt.org/2009/11/28/shocking-news-in-php-exploitation/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.suspekt.org/downloads/POC2009-ShockingNewsInPHPExploitation.pdf"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Red Hat does not consider this to be a security flaw. For further details, see https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-4418", "lastModified": "2010-01-04T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "php: DoS via unserialize", "id": "550387", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=550387"}, "csaw": false, "details": ["The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences."], "name": "CVE-2009-4418", "public_date": "2009-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-4418"], "statement": "Red Hat does not consider this to be a security flaw. For further details, see https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-4418", "threat_severity": "Low"}

{}