CVE-2017-7668

{"containers": {"cna": {"affected": [{"product": "Apache HTTP Server", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "2.2.32"}, {"status": "affected", "version": "2.4.24, 2.4.25"}]}], "datePublic": "2017-06-19T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-126", "description": "Denial of Service, Integrity Violation (CWE-126)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-06T10:12:02.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://support.apple.com/HT208221"}, {"name": "RHSA-2017:2479", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2479"}, {"name": "[dev] 20170619 CVE-2017-7668: ap_find_token buffer overread", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/55a068b6a5eec0b3198ae7d96a7cb412352d0ffa7716612c5af3745b%40%3Cdev.httpd.apache.org%3E"}, {"name": "RHSA-2017:2483", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:2483"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20180601-0002/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03821en_us"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"}, {"name": "99137", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/99137"}, {"name": "DSA-3896", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2017/dsa-3896"}, {"name": "RHSA-2017:3194", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:3194"}, {"name": "RHSA-2017:3193", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2017:3193"}, {"name": "1038711", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1038711"}, {"name": "GLSA-201710-32", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201710-32"}, {"name": "[httpd-cvs] 20190815 svn commit: r1048743 [4/4] - 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{}

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parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value."}, {"lang": "es", "value": "Los cambios en el an\u00e1lisis sint\u00e1ctico estricto de HTTP a\u00f1adidos en las versiones 2.2.32 y 2.4.24 de Apache httpd introdujeron un error en el an\u00e1lisis de listas de tokens. Esto permite que ap_find_token() busque m\u00e1s all\u00e1 del final de la cadena de entrada. Un atacante puede conseguir causar un fallo de segmentaci\u00f3n o forzar a que ap_find_token() devuelva un valor incorrecto mediante la manipulaci\u00f3n de una secuencia de cabeceras de peticiones con fines maliciosos."}], "id": "CVE-2017-7668", "lastModified": "2026-06-17T01:24:56.057", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, 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"https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201710-32"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20180601-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.apple.com/HT208221"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03821en_us"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/tns-2019-09"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2017:2479", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "httpd-0:2.4.6-67.el7_4.2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-15T00:00:00Z"}, {"advisory": "RHSA-2017:3193", "cpe": "cpe:/o:redhat:rhel_eus:7.2", "package": "httpd-0:2.4.6-40.el7_2.6", "product_name": "Red Hat Enterprise Linux 7.2 Extended Update Support", "release_date": "2017-11-13T00:00:00Z"}, {"advisory": "RHSA-2017:3194", "cpe": "cpe:/o:redhat:rhel_eus:7.3", "package": "httpd-0:2.4.6-45.el7_3.5", "product_name": "Red Hat Enterprise Linux 7.3 Extended Update Support", "release_date": "2017-11-13T00:00:00Z"}, {"advisory": "RHSA-2017:2483", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "httpd24-httpd-0:2.4.25-9.el6.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6", "release_date": "2017-08-16T00:00:00Z"}, {"advisory": "RHSA-2017:2483", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el6", "package": "httpd24-httpd-0:2.4.25-9.el6.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS", "release_date": "2017-08-16T00:00:00Z"}, {"advisory": "RHSA-2017:2483", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "httpd24-httpd-0:2.4.25-9.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7", "release_date": "2017-08-16T00:00:00Z"}, {"advisory": "RHSA-2017:2483", "cpe": "cpe:/a:redhat:rhel_software_collections:2::el7", "package": "httpd24-httpd-0:2.4.25-9.el7.1", "product_name": "Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS", "release_date": "2017-08-16T00:00:00Z"}], "bugzilla": {"description": "httpd: ap_find_token() buffer overread", "id": "1463205", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1463205"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "verified"}, "cwe": "CWE-122", "details": ["The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value.", "A buffer over-read flaw was found in the httpd's ap_find_token() function. A remote attacker could use this flaw to cause httpd child process to crash via a specially crafted HTTP request."], "name": "CVE-2017-7668", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:5", "fix_state": "Not affected", "package_name": "jbossas", "product_name": "Red Hat JBoss Enterprise Application Platform 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Not affected", "package_name": "jbossas", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:1", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Web Server 1"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:2", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Web Server 2"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat JBoss Enterprise Web Server 3"}], "public_date": "2017-06-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7668\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7668\nhttps://httpd.apache.org/security/vulnerabilities_22.html\nhttps://httpd.apache.org/security/vulnerabilities_24.html"], "threat_severity": "Moderate"}

{}