CVE-2008-7068

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NOTE: this might only be a vulnerability in limited circumstances in which the attacker can modify or add database entries but does not have permissions to truncate the file."}, {"lang": "es", "value": "La funci\u00f3n dba_replace en PHP v5.2.6 y 4.x permite a atacantes dependientes de contexto producir una denegaci\u00f3n de servicio (corte de fichero) a trav\u00e9s de una clave con un byte NULL. NOTA: Esto solo se produce en unas circunstancias muy concretas en la cual el atacante puede modificar o a\u00f1adir las entradas de la base de datos pero no tiene permisos para cortar el fichero."}], "id": "CVE-2008-7068", "lastModified": "2026-06-16T23:03:32.027", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-08-25T10:30:00.377", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://cvs.php.net/viewvc.cgi/php-src/NEWS?r1=1.2027.2.547.2.1313&r2=1.2027.2.547.2.1314&"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://securityreason.com/achievement_securityalert/58"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/52206"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/498746/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/498981/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/498982/100/0/threaded"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/47316"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://cvs.php.net/viewvc.cgi/php-src/NEWS?r1=1.2027.2.547.2.1313&r2=1.2027.2.547.2.1314&"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://securityreason.com/achievement_securityalert/58"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/52206"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/498746/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/498981/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/498982/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/47316"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "This is not a security issue. A user with read and write access to a file can reasonably be expected to manipulate the contents of the file, including truncating it. Instead of using dba_replace(), a user could simply fopen() the file in write mode, which provides the same end-result.", "lastModified": "2009-08-27T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "php: dba_replace() file corruption vulnerability", "id": "519266", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=519266"}, "csaw": false, "details": ["The dba_replace function in PHP 5.2.6 and 4.x allows context-dependent attackers to cause a denial of service (file truncation) via a key with the NULL byte. NOTE: this might only be a vulnerability in limited circumstances in which the attacker can modify or add database entries but does not have permissions to truncate the file."], "name": "CVE-2008-7068", "public_date": "2008-11-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2008-7068"], "statement": "This is not a security issue. A user with read and write access to a file can reasonably be expected to manipulate the contents of the file, including truncating it. Instead of using dba_replace(), a user could simply fopen() the file in write mode, which provides the same end-result.", "threat_severity": "Low"}

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