CVE-2016-4975

{"containers": {"cna": {"affected": [{"product": "Apache HTTP Server", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23)"}, {"status": "affected", "version": "Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31)"}]}], "credits": [{"lang": "en", "value": "The issue was discovered by Sergey Bobrov"}], "datePublic": "2018-08-14T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the \"Location\" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31)."}], "metrics": [{"other": {"content": {"lang": "eng", "url": "https://httpd.apache.org/security/impact_levels.html#moderate", "value": "moderate"}, "type": "unknown"}}], "problemTypes": [{"descriptions": [{"description": "(undefined)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-06T10:11:01.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20180926-0006/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us"}, {"name": "105093", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/105093"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975"}, {"name": "[httpd-cvs] 20190815 svn commit: r1048743 [4/4] - 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in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E"}], "title": "mod_userdir CRLF injection", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@apache.org", "DATE_PUBLIC": "2018-08-14", "ID": "CVE-2016-4975", "STATE": "PUBLIC", "TITLE": "mod_userdir CRLF injection"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Apache HTTP Server", "version": {"version_data": [{"version_value": "Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23)"}, {"version_value": "Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31)"}]}}]}, "vendor_name": "Apache Software Foundation"}]}}, "credit": [{"lang": "eng", "value": "The issue was discovered by Sergey Bobrov"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. 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Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31)."}]}, "impact": [{"lang": "eng", "url": "https://httpd.apache.org/security/impact_levels.html#moderate", "value": "moderate"}], "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "(undefined)"}]}]}, "references": {"reference_data": [{"name": "https://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975", "refsource": "CONFIRM", "url": "https://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975"}, {"name": "https://security.netapp.com/advisory/ntap-20180926-0006/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20180926-0006/"}, {"name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us", "refsource": "CONFIRM", "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us"}, {"name": "105093", "refsource": "BID", "url": "http://www.securityfocus.com/bid/105093"}, {"name": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975", "refsource": "CONFIRM", "url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975"}, {"name": "[httpd-cvs] 20190815 svn commit: r1048743 [4/4] - 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{}

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"E1F45B27-504B-4202-87B8-BD3B094003F1", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*", "matchCriteriaId": "F2FB2B98-DFD2-420A-8A7F-9B288651242F", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*", "matchCriteriaId": "B803D25B-0A19-4569-BA05-09D58F33917C", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:*", "matchCriteriaId": "8510442C-212F-4013-85FA-E0AB59F6F2C6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the \"Location\" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31)."}, {"lang": "es", "value": "Posible inyecci\u00f3n CRLF que permite ataques de separaci\u00f3n de respuesta HTTP para los sitios que emplean mod_userdir. Este problema fue mitigado gracias a los cambios realizados en las versiones 2.4.25 y 2.2.32, que proh\u00edben la inyecci\u00f3n CR o LF en \"Location\" o en otro tipo de clave o valor de cabecera saliente. Esto se ha solucionado en Apache HTTP Server 2.4.25 (2.4.1-2.4.23 afectadas). Esto se ha solucionado en Apache HTTP Server 2.2.32 (2.2.0-2.2.31 afectadas)."}], "id": "CVE-2016-4975", "lastModified": "2026-06-17T00:48:32.233", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-08-14T12:29:00.220", "references": [{"source": "security@apache.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105093"}, {"source": "security@apache.org", "tags": ["Vendor Advisory"], "url": "https://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975"}, {"source": "security@apache.org", "tags": ["Vendor Advisory"], "url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E"}, {"source": "security@apache.org", "url": 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"sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-93"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2018:2186", "cpe": "cpe:/a:redhat:jboss_core_services:1::el6", "package": "jbcs-httpd24-apache-commons-daemon-0:1.1.0-1.redhat_2.1.jbcs.el6", "product_name": "JBoss Core Services on RHEL 6", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2186", "cpe": "cpe:/a:redhat:jboss_core_services:1::el6", "package": "jbcs-httpd24-apache-commons-daemon-jsvc-1:1.1.0-1.redhat_2.jbcs.el6", "product_name": "JBoss Core Services on RHEL 6", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2186", "cpe": "cpe:/a:redhat:jboss_core_services:1::el6", "package": "jbcs-httpd24-apr-0:1.6.3-14.jbcs.el6", "product_name": "JBoss Core Services on RHEL 6", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2186", "cpe": "cpe:/a:redhat:jboss_core_services:1::el6", "package": "jbcs-httpd24-apr-util-0:1.6.1-9.jbcs.el6", "product_name": "JBoss Core Services on RHEL 6", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": 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"product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-httpd-0:2.4.29-17.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_auth_kerb-0:5.4-36.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_bmx-0:0.9.6-17.GA.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_cluster-native-0:1.3.8-1.Final_redhat_2.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_jk-0:1.2.43-1.redhat_1.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_rt-0:2.4.1-19.GA.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-mod_security-0:2.9.1-23.GA.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-nghttp2-0:1.29.0-8.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2018:2185", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-openssl-1:1.0.2n-11.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2018-07-12T00:00:00Z"}, {"advisory": "RHSA-2017:0906", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "httpd-0:2.4.6-45.el7_3.4", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-04-12T00:00:00Z"}, {"advisory": "RHSA-2018:2486", "cpe": "cpe:/a:redhat:jboss_core_services:1", "product_name": "Text-Only JBCS", "release_date": "2018-08-16T00:00:00Z"}], "bugzilla": {"description": "httpd: CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir", "id": "1375968", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1375968"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-113", "details": ["Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the \"Location\" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).", "It was found that Apache was vulnerable to a HTTP response splitting attack for sites which use mod_userdir. An attacker could use this flaw to inject CRLF characters into the HTTP header and could possibly gain access to secure data."], "name": "CVE-2016-4975", "package_state": [{"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:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Affected", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:2", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Web Server 2"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Out of support scope", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Web Server 3"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Will not fix", "package_name": "httpd", "product_name": "Red Hat JBoss Web Server 3"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "httpd24-httpd", "product_name": "Red Hat Software Collections"}], "public_date": "2018-08-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-4975\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-4975\nhttps://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975\nhttps://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975"], "threat_severity": "Moderate"}

{}