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NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823."}, {"lang": "es", "value": "sapi/cgi/cgi_main.c de PHP anteriores a 5.3.13 y 5.4.x anteriores a 5.4.3, si est\u00e1 configurado como un script CGI (php-cgi), no maneja apropiadamente cadenas de petici\u00f3n que contienen una secuencia %3D pero ning\u00fan = (signo igual). Lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario colocando opciones de comandos en la cadena de petici\u00f3n. Relacionado con la falta de supresi\u00f3n de un determinado php_getopt para el caso 'd'. NOTA: esta vulnerabilidad se debe a una soluci\u00f3n incompleta de CVE-2012-1823."}], "id": "CVE-2012-2311", "lastModified": "2026-06-16T23:41:20.067", "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": "2012-05-11T10:15:48.107", "references": [{"source": "secalert@redhat.com", "url": "http://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/"}, {"source": "secalert@redhat.com", "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00002.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00011.html"}, {"source": "secalert@redhat.com", "url": "http://marc.info/?l=bugtraq&m=134012830914727&w=2"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/49014"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/49085"}, {"source": "secalert@redhat.com", "url": "http://support.apple.com/kb/HT5501"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2012/dsa-2465"}, {"source": "secalert@redhat.com", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/520827"}, {"source": "secalert@redhat.com", "url": "http://www.php.net/ChangeLog-5.php#5.4.3"}, {"source": "secalert@redhat.com", "url": "http://www.php.net/archive/2012.php#id2012-05-08-1"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id?1027022"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://bugs.php.net/bug.php?id=61910"}, {"source": "secalert@redhat.com", "url": "https://bugs.php.net/patch-display.php?bug_id=61910&patch=cgi.diff-fix-check.patch&revision=1336093719&display=1"}, {"source": "secalert@redhat.com", "url": "https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00002.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00011.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=134012830914727&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/49014"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/49085"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.apple.com/kb/HT5501"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2012/dsa-2465"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/520827"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.php.net/ChangeLog-5.php#5.4.3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.php.net/archive/2012.php#id2012-05-08-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1027022"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://bugs.php.net/bug.php?id=61910"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugs.php.net/patch-display.php?bug_id=61910&patch=cgi.diff-fix-check.patch&revision=1336093719&display=1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "php: incomplete CVE-2012-1823 fix - incorrect check for =", "id": "818907", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=818907"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "draft"}, "details": ["sapi/cgi/cgi_main.c in PHP before 5.3.13 and 5.4.x before 5.4.3, when configured as a CGI script (aka php-cgi), does not properly handle query strings that contain a %3D sequence but no = (equals sign) character, which allows remote attackers to execute arbitrary code by placing command-line options in the query string, related to lack of skipping a certain php_getopt for the 'd' case. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823."], "name": "CVE-2012-2311", "package_state": [{"cpe": "cpe:/a:redhat:rhel_application_stack:2", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Application Stack v2 for Enterprise Linux"}, {"cpe": "cpe:/o:redhat:enterprise_linux:3", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "php53", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2012-05-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2311\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2311"], "statement": "Not vulnerable. Red Hat did not release PHP package updates addressing CVE-2012-1823 that introduce the CVE-2012-2311 issue. Therefore, this CVE does not affect any Red Hat products.", "threat_severity": "Critical"}

{}