{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2009-4018",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "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."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "http://www.php.net/ChangeLog-5.php",
                "refsource": "MISC",
                "name": "http://www.php.net/ChangeLog-5.php"
            },
            {
                "url": "http://secunia.com/advisories/41480",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/41480"
            },
            {
                "url": "http://secunia.com/advisories/41490",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/41490"
            },
            {
                "url": "http://www.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02512995",
                "refsource": "MISC",
                "name": "http://www.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02512995"
            },
            {
                "url": "http://marc.info/?l=bugtraq&m=127680701405735&w=2",
                "refsource": "MISC",
                "name": "http://marc.info/?l=bugtraq&m=127680701405735&w=2"
            },
            {
                "url": "http://secunia.com/advisories/40262",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/40262"
            },
            {
                "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:303",
                "refsource": "MISC",
                "name": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:303"
            },
            {
                "url": "http://bugs.php.net/bug.php?id=49026",
                "refsource": "MISC",
                "name": "http://bugs.php.net/bug.php?id=49026"
            },
            {
                "url": "http://marc.info/?l=oss-security&m=125886770008678&w=2",
                "refsource": "MISC",
                "name": "http://marc.info/?l=oss-security&m=125886770008678&w=2"
            },
            {
                "url": "http://marc.info/?l=oss-security&m=125897935330618&w=2",
                "refsource": "MISC",
                "name": "http://marc.info/?l=oss-security&m=125897935330618&w=2"
            },
            {
                "url": "http://svn.php.net/viewvc/?view=revision&revision=286360",
                "refsource": "MISC",
                "name": "http://svn.php.net/viewvc/?view=revision&revision=286360"
            },
            {
                "url": "http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/standard/proc_open.c?r1=286360&r2=286359&pathrev=286360",
                "refsource": "MISC",
                "name": "http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/standard/proc_open.c?r1=286360&r2=286359&pathrev=286360"
            },
            {
                "url": "http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/standard/proc_open.c?r1=286360&r2=286359&pathrev=286360",
                "refsource": "MISC",
                "name": "http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/standard/proc_open.c?r1=286360&r2=286359&pathrev=286360"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2009/11/23/15",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2009/11/23/15"
            },
            {
                "url": "http://www.securityfocus.com/bid/37138",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/37138"
            },
            {
                "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7256",
                "refsource": "MISC",
                "name": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7256"
            }
        ]
    }
}