CVE-2009-4018

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2009-09-16T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The proc_open function in ext/standard/proc_open.c in PHP before 5.2.11 and 5.3.x before 5.3.1 does not enforce the (1) safe_mode_allowed_env_vars and (2) safe_mode_protected_env_vars directives, which allows context-dependent attackers to execute programs with an arbitrary environment via the env parameter, as demonstrated by a crafted value of the LD_LIBRARY_PATH environment variable."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-09-18T12:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "40262", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/40262"}, {"name": "oval:org.mitre.oval:def:7256", "tags": ["vdb-entry", "signature", "x_refsource_OVAL"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7256"}, {"name": "HPSBUX02543", "tags": ["vendor-advisory", "x_refsource_HP"], "url": "http://marc.info/?l=bugtraq&m=127680701405735&w=2"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/standard/proc_open.c?r1=286360&r2=286359&pathrev=286360"}, {"name": "[oss-security] 20091123 Re: CVE request: php 5.3.1 - 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{}

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dependientes del contexto a atacantes ejecutar programas con un entorno de su elecci\u00f3n a trav\u00e9s del par\u00e1metro env, como se ha demostrado por un valor manipulado de la variable del entorno LD_LIBRARY_PATH."}], "id": "CVE-2009-4018", "lastModified": "2026-06-16T23:12:50.420", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-11-29T13:07:32.017", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": 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[{"comment": "We do not consider safe_mode / open_basedir restriction bypass issues being security sensitive. For more details see http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and http://www.php.net/security-note.php", "lastModified": "2009-11-30T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "php: proc_open() safe mode restriction bypass", "id": "541239", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=541239"}, "csaw": false, "cvss": {"cvss_base_score": "3.3", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "status": "draft"}, "details": ["The proc_open function in ext/standard/proc_open.c in PHP before 5.2.11 and 5.3.x before 5.3.1 does not enforce the (1) safe_mode_allowed_env_vars and (2) safe_mode_protected_env_vars directives, which allows context-dependent attackers to execute programs with an arbitrary environment via the env parameter, as demonstrated by a crafted value of the LD_LIBRARY_PATH environment variable."], "name": "CVE-2009-4018", "public_date": "2009-07-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-4018"], "statement": "We do not consider safe_mode / open_basedir restriction bypass issues being security sensitive. For more details see https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and https://www.php.net/security-note.php"}

{}