{"api_version":"1","generated_at":"2026-07-23T12:15:25+00:00","cve":"CVE-2012-4388","urls":{"html":"https://cve.report/CVE-2012-4388","api":"https://cve.report/api/cve/CVE-2012-4388.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2012-4388","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-4388"},"summary":{"title":"CVE-2012-4388","description":"The sapi_header_op function in main/SAPI.c in PHP 5.4.0RC2 through 5.4.0 does not properly determine a pointer during checks for %0D sequences (aka carriage return characters), which allows remote attackers to bypass an HTTP response-splitting protection mechanism via a crafted URL, related to improper interaction between the PHP header function and certain browsers, as demonstrated by Internet Explorer and Google Chrome.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1398.","state":"PUBLISHED","assigner":"redhat","published_at":"2012-09-07 22:55:02","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-20","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"4.3","severity":"","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"}}],"references":[{"url":"http://openwall.com/lists/oss-security/2012/09/05/15","name":"http://openwall.com/lists/oss-security/2012/09/05/15","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"oss-security - Re: php header() header injection detection bypass","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html","name":"http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"[security-announce] SUSE-SU-2013:1315-1: important: Security update for","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id?1027463","name":"http://www.securitytracker.com/id?1027463","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"PHP HTTP Response Splitting Header Injection Protection Can Be Bypassed Using Carriage Return Characters - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.ubuntu.com/usn/USN-1569-1","name":"http://www.ubuntu.com/usn/USN-1569-1","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"USN-1569-1: PHP vulnerabilities | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://openwall.com/lists/oss-security/2012/09/07/3","name":"http://openwall.com/lists/oss-security/2012/09/07/3","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"oss-security - Re: Re: php header() header injection detection bypass","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_4/main/SAPI.c?r1=323986&r2=323985&pathrev=323986","name":"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_4/main/SAPI.c?r1=323986&r2=323985&pathrev=323986","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Vendor Advisory"],"title":"PHP: Diff of /php/php-src/branches/PHP_5_4/main/SAPI.c","mime":"text/html","httpstatus":"200","archivestatus":"502"},{"url":"http://article.gmane.org/gmane.comp.php.devel/70584","name":"http://article.gmane.org/gmane.comp.php.devel/70584","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"title":"article.gmane.org | 522: Connection timed out","mime":"text/html","httpstatus":"522","archivestatus":"522"},{"url":"http://security-tracker.debian.org/tracker/CVE-2012-4388","name":"http://security-tracker.debian.org/tracker/CVE-2012-4388","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"CVE-2012-4388","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://openwall.com/lists/oss-security/2012/09/02/1","name":"http://openwall.com/lists/oss-security/2012/09/02/1","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"oss-security - Re: php header() header injection detection bypass","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://openwall.com/lists/oss-security/2012/08/29/5","name":"http://openwall.com/lists/oss-security/2012/08/29/5","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"oss-security - php header() header injection detection bypass","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.php.net/bug.php?id=60227","name":"https://bugs.php.net/bug.php?id=60227","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"PHP :: Bug #60227 :: header() cannot detect the multi-line header with CR(0x0D).","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-4388","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4388","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"10.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"11.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"11.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"12.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"8.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"php","cpe5":"php","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2012","cve_id":"4388","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"php","cpe5":"php","cpe6":"5.4.0","cpe7":"rc2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T20:35:09.222Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://security-tracker.debian.org/tracker/CVE-2012-4388"},{"name":"[oss-security] 20120905 Re: php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://openwall.com/lists/oss-security/2012/09/05/15"},{"name":"1027463","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id?1027463"},{"name":"[oss-security] 20120906 Re: Re: php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://openwall.com/lists/oss-security/2012/09/07/3"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_4/main/SAPI.c?r1=323986&r2=323985&pathrev=323986"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://bugs.php.net/bug.php?id=60227"},{"name":"[oss-security] 20120829 php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://openwall.com/lists/oss-security/2012/08/29/5"},{"name":"[oss-security] 20120901 Re: php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://openwall.com/lists/oss-security/2012/09/02/1"},{"name":"SUSE-SU-2013:1315","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"],"url":"http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html"},{"name":"[internals] 20120203 [PHP-DEV] The case of HTTP response splitting protection in PHP","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"http://article.gmane.org/gmane.comp.php.devel/70584"},{"name":"USN-1569-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"http://www.ubuntu.com/usn/USN-1569-1"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2012-02-03T00:00:00.000Z","descriptions":[{"lang":"en","value":"The sapi_header_op function in main/SAPI.c in PHP 5.4.0RC2 through 5.4.0 does not properly determine a pointer during checks for %0D sequences (aka carriage return characters), which allows remote attackers to bypass an HTTP response-splitting protection mechanism via a crafted URL, related to improper interaction between the PHP header function and certain browsers, as demonstrated by Internet Explorer and Google Chrome.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1398."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2012-10-13T09:00:00.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"http://security-tracker.debian.org/tracker/CVE-2012-4388"},{"name":"[oss-security] 20120905 Re: php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST"],"url":"http://openwall.com/lists/oss-security/2012/09/05/15"},{"name":"1027463","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id?1027463"},{"name":"[oss-security] 20120906 Re: Re: php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST"],"url":"http://openwall.com/lists/oss-security/2012/09/07/3"},{"tags":["x_refsource_CONFIRM"],"url":"http://svn.php.net/viewvc/php/php-src/branches/PHP_5_4/main/SAPI.c?r1=323986&r2=323985&pathrev=323986"},{"tags":["x_refsource_MISC"],"url":"https://bugs.php.net/bug.php?id=60227"},{"name":"[oss-security] 20120829 php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST"],"url":"http://openwall.com/lists/oss-security/2012/08/29/5"},{"name":"[oss-security] 20120901 Re: php header() header injection detection bypass","tags":["mailing-list","x_refsource_MLIST"],"url":"http://openwall.com/lists/oss-security/2012/09/02/1"},{"name":"SUSE-SU-2013:1315","tags":["vendor-advisory","x_refsource_SUSE"],"url":"http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html"},{"name":"[internals] 20120203 [PHP-DEV] The case of HTTP response splitting protection in PHP","tags":["mailing-list","x_refsource_MLIST"],"url":"http://article.gmane.org/gmane.comp.php.devel/70584"},{"name":"USN-1569-1","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"http://www.ubuntu.com/usn/USN-1569-1"}]}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2012-4388","datePublished":"2012-09-07T22:00:00.000Z","dateReserved":"2012-08-21T00:00:00.000Z","dateUpdated":"2024-08-06T20:35:09.222Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2012-09-07 22:55:02","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-20","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.0","versionEndExcluding":"5.3.11","matchCriteriaId":"9C2BBB98-41C7-4046-B964-53FFC87D9E7C"},{"vulnerable":true,"criteria":"cpe:2.3:a:php:php:5.4.0:rc2:*:*:*:*:*:*","matchCriteriaId":"6B052DD4-8A4E-44A0-A4ED-CC9E8757EBC3"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*","matchCriteriaId":"7EBFE35C-E243-43D1-883D-4398D71763CC"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*","matchCriteriaId":"01EDA41C-6B2E-49AF-B503-EB3882265C11"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*","matchCriteriaId":"EF49D26F-142E-468B-87C1-BABEA445255C"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*","matchCriteriaId":"E4174F4F-149E-41A6-BBCC-D01114C05F38"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*","matchCriteriaId":"CB66DB75-2B16-4EBF-9B93-CE49D8086E41"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*","matchCriteriaId":"036E8A89-7A16-411F-9D31-676313BB7244"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2012","CveId":"4388","Ordinal":"1","Title":"CVE-2012-4388","CVE":"CVE-2012-4388","Year":"2012"},"notes":[{"CveYear":"2012","CveId":"4388","Ordinal":"1","NoteData":"The sapi_header_op function in main/SAPI.c in PHP 5.4.0RC2 through 5.4.0 does not properly determine a pointer during checks for %0D sequences (aka carriage return characters), which allows remote attackers to bypass an HTTP response-splitting protection mechanism via a crafted URL, related to improper interaction between the PHP header function and certain browsers, as demonstrated by Internet Explorer and Google Chrome.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1398.","Type":"Description","Title":"CVE-2012-4388"},{"CveYear":"2012","CveId":"4388","Ordinal":"2","NoteData":"2012-09-07","Type":"Other","Title":"Published"},{"CveYear":"2012","CveId":"4388","Ordinal":"3","NoteData":"2012-10-13","Type":"Other","Title":"Modified"}]}}}