{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-11-02T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the \"len +=\" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2012-07-03T09:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "HPSBMU02786", "tags": ["vendor-advisory", "x_refsource_HP"], "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"tags": ["x_refsource_MISC"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.gossamer-threads.com/lists/apache/dev/403775"}, {"name": "SSRT100877", "tags": ["vendor-advisory", "x_refsource_HP"], "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"tags": ["x_refsource_MISC"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2011-4415", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the \"len +=\" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "HPSBMU02786", "refsource": "HP", "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"name": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html", "refsource": "MISC", "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html"}, {"name": "http://www.gossamer-threads.com/lists/apache/dev/403775", "refsource": "CONFIRM", "url": "http://www.gossamer-threads.com/lists/apache/dev/403775"}, {"name": "SSRT100877", "refsource": "HP", "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"name": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/", "refsource": "MISC", "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T00:09:18.511Z"}, "title": "CVE Program Container", "references": [{"name": "HPSBMU02786", "tags": ["vendor-advisory", "x_refsource_HP", "x_transferred"], "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.gossamer-threads.com/lists/apache/dev/403775"}, {"name": "SSRT100877", "tags": ["vendor-advisory", "x_refsource_HP", "x_transferred"], "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2011-4415", "datePublished": "2011-11-08T11:00:00.000Z", "dateReserved": "2011-11-08T00:00:00.000Z", "dateUpdated": "2024-08-07T00:09:18.511Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "163A6EF6-7D3F-4B1F-9E03-A8C86562CC3D", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.9:*:*:*:*:*:*:*", "matchCriteriaId": "154566FB-0D1A-4DC2-AFE6-49DE93850951", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:*", "matchCriteriaId": "EB477AFB-EA39-4892-B772-586CF6D2D235", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.28:beta:*:*:*:*:*:*", "matchCriteriaId": "5C4962BB-0E61-4788-B582-21F05CD33AD3", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:*", "matchCriteriaId": "B35906CD-038E-4243-8A95-F0A3A43F06F7", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.32:beta:*:*:*:*:*:*", "matchCriteriaId": "1C3E2656-8071-40DA-9480-AC13010A9D09", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.34:beta:*:*:*:*:*:*", "matchCriteriaId": "7C649D2F-A633-456E-899C-6253FDE9A626", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:*", "matchCriteriaId": "B940BB85-03F5-46D7-8DC9-2E1E228D3D98", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:*", "matchCriteriaId": "82139FFA-2779-4732-AFA5-4E6E19775899", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:*", "matchCriteriaId": "B7F717E6-BACD-4C8A-A9C5-516ADA6FEE6C", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:*", "matchCriteriaId": "08AB120B-2FEC-4EB3-9777-135D81E809AA", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:*", "matchCriteriaId": "1C7FF669-12E0-4A73-BBA7-250D109148C5", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:*", "matchCriteriaId": "5AB7B1F1-7202-445D-9F96-135DC0AFB1E9", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:*", "matchCriteriaId": "BCB7EE53-187E-40A9-9865-0F3EDA2B5A4C", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:*", "matchCriteriaId": "9D06AE8A-9BA8-4AA8-ACEA-326CD001E879", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:*", "matchCriteriaId": "2FC1A04B-0466-48AD-89F3-1F2EF1DEBE6A", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:*", "matchCriteriaId": "19F34D08-430E-4331-A27D-667149425176", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:*", "matchCriteriaId": "248BDF2C-3E78-49D1-BD9C-60C09A441724", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:*", "matchCriteriaId": "BB0FDE3D-1509-4375-8703-0D174D70B22E", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:*", "matchCriteriaId": "AFE732B5-00C9-4443-97E0-1DF21475C26B", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.48:*:*:*:*:*:*:*", "matchCriteriaId": "C79C41D3-6894-4F2D-B8F8-82AB4780A824", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.49:*:*:*:*:*:*:*", "matchCriteriaId": "449A5647-CEA6-4314-9DB8-D086F388E1C7", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.50:*:*:*:*:*:*:*", "matchCriteriaId": "B5A407B7-F432-48F0-916A-A49952F85CA6", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.51:*:*:*:*:*:*:*", "matchCriteriaId": "6B5AC769-D07D-43C7-B252-A5A812E7D58C", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.52:*:*:*:*:*:*:*", "matchCriteriaId": "ADF4DBF6-DAF0-47E7-863B-C48DB7149A78", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.53:*:*:*:*:*:*:*", "matchCriteriaId": "F2F19D71-0A58-4B03-B351-596EB67ECF80", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.54:*:*:*:*:*:*:*", "matchCriteriaId": "5EBB3FF9-CF5A-4E7B-ACE3-A198343AD485", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.55:*:*:*:*:*:*:*", "matchCriteriaId": "D721FFB5-D6D3-4F60-8B09-B3AD07EE6D4D", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.56:*:*:*:*:*:*:*", "matchCriteriaId": "97E8F32E-C2E5-44E3-A920-F09AF919D372", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.57:*:*:*:*:*:*:*", "matchCriteriaId": "0CF37A82-49B6-45D4-B91D-FDA2D4463A0C", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.58:*:*:*:*:*:*:*", "matchCriteriaId": "030D1767-2DF7-48E3-B462-4B49CA751B35", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.59:*:*:*:*:*:*:*", "matchCriteriaId": "5236DC61-5557-4C24-8F5B-F48548448588", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.60:*:*:*:*:*:*:*", "matchCriteriaId": "8CB9F19A-5DC0-4C44-8BAF-B8FD047DAB56", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.61:*:*:*:*:*:*:*", "matchCriteriaId": "3B468F9B-2514-425C-9279-0FCAF73BBD18", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.63:*:*:*:*:*:*:*", "matchCriteriaId": "59FAFAD0-6B58-431B-BA90-CAE6C72844E9", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.0.64:*:*:*:*:*:*:*", "matchCriteriaId": "3FD4780F-A3A0-458E-9F23-13359E42D35E", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:2.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "67AD11FB-529C-404E-A13B-284F145322B8", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "733D62FE-180A-4AE8-9DBF-DA1DC18C1932", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.2:*:*:*:*:*:*:*", "matchCriteriaId": "CCBBB7FE-35FC-4515-8393-5145339FCE4D", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "F519633F-AB68-495A-B85E-FD41F9F752CA", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.4:*:*:*:*:*:*:*", "matchCriteriaId": "A894BED6-C97D-4DA4-A13D-9CB2B3306BC5", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.6:*:*:*:*:*:*:*", "matchCriteriaId": "34A847D1-5AD5-4EFD-B165-7602AFC1E656", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.8:*:*:*:*:*:*:*", "matchCriteriaId": "9AF3A0F5-4E5C-4278-9927-1F94F25CCAFC", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.9:*:*:*:*:*:*:*", "matchCriteriaId": "AB63EBE5-CF14-491E-ABA5-67116DFE3E5B", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.10:*:*:*:*:*:*:*", "matchCriteriaId": "8C2A33DE-F55F-4FD8-BB00-9C1E006CA65C", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.11:*:*:*:*:*:*:*", "matchCriteriaId": "B1CF6394-95D9-42AF-A442-385EFF9CEFE1", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.12:*:*:*:*:*:*:*", "matchCriteriaId": "02B629FB-88C8-4E85-A137-28770F1E524E", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.13:*:*:*:*:*:*:*", "matchCriteriaId": "03550EF0-DF89-42FE-BF0E-994514EBD947", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.14:*:*:*:*:*:*:*", "matchCriteriaId": "4886CCAB-6D4E-45C7-B177-2E8DBEA15531", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.15:*:*:*:*:*:*:*", "matchCriteriaId": "C35631AC-7C35-4F6A-A95A-3B080E5210ED", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.16:*:*:*:*:*:*:*", "matchCriteriaId": "6CED2BA6-BE5E-4EF1-88EB-0DADD23D2EEF", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.18:*:*:*:*:*:*:*", "matchCriteriaId": "B0B8C9DB-401E-42B3-BAED-D09A96DE9A90", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.19:*:*:*:*:*:*:*", "matchCriteriaId": "062C20A0-05A0-4164-8330-DF6ADFE607F4", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.20:*:*:*:*:*:*:*", "matchCriteriaId": "D345BA35-93BB-406F-B5DC-86E49FB29C22", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.21:*:*:*:*:*:*:*", "matchCriteriaId": "7ED4892F-C829-4BEA-AB82-6A78F6F2426D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the \"len +=\" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607."}, {"lang": "es", "value": "La funci\u00f3n ap_pregsub en server/util.c en el servidor HTTP Apache v2.0.x hasta la 2.0.64 y la v2.2.x hasta la v2.2.21, cuando el m\u00f3dulo mod_setenvif est\u00e1 activado, no limita el tama\u00f1o de los valores de las variables de entorno, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (consumo de memoria o puntero a NULL) a trav\u00e9s de un archivo de tipo .htaccess que incluye una directiva SetEnvIf modificada, junto con un encabezado de solicitud HTTP manipulado, relacionado con (1) la declarci\u00f3n \"len + =\" y (2) con la llamada a la funcion apr_pcalloc, una vulnerabilidad diferente a CVE-2011-3607."}], "id": "CVE-2011-4415", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 1.2, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 1.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-11-08T11:55:05.850", "references": [{"source": "cve@mitre.org", "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"source": "cve@mitre.org", "url": "http://www.gossamer-threads.com/lists/apache/dev/403775"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.gossamer-threads.com/lists/apache/dev/403775"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "httpd: SetEnvIf resource exhaustion", "id": "750935", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750935"}, "csaw": false, "cvss": {"cvss_base_score": "3.5", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "status": "draft"}, "details": ["The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the \"len +=\" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607."], "name": "CVE-2011-4415", "package_state": [{"cpe": "cpe:/a:redhat:certificate_system:7.3", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat Certificate System 7.3"}, {"cpe": "cpe:/a:redhat:directory_server:8", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat Directory Server 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:1", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Web Server 1"}], "public_date": "2011-11-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4415\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4415"], "statement": "The ASF Security Team does not consider resource exhaustion caused by .htaccess files to be a security defect. The Red Hat Security Response Team agrees with their assessment and so does not consider this to be a security flaw.", "threat_severity": "Low"}

{}