CVE-2021-3688

{"containers": {"cna": {"affected": [{"product": "Red Hat JBCS HTTP Server", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in jbcs-httpd-2.4.37.SP10 GA"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "description": "CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-26T15:25:40.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1990252"}, {"tags": ["x_refsource_MISC"], "url": "https://access.redhat.com/security/cve/CVE-2021-3688"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:08.137Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1990252"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://access.redhat.com/security/cve/CVE-2021-3688"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-3688", "datePublished": "2022-08-26T15:25:40.000Z", "dateReserved": "2021-08-05T00:00:00.000Z", "dateUpdated": "2024-08-03T17:01:08.137Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Red Hat JBCS HTTP Server", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in jbcs-httpd-2.4.37.SP10 GA"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:*:*:*:*:*:*:*:*", "matchCriteriaId": "970B5B03-B3E4-4E12-9B92-580FC7FD95D9", "versionEndExcluding": "2.4.37", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:-:*:*:*:*:*:*", "matchCriteriaId": "573F58D4-B7C3-440C-8FB4-5D3F83C3A0F5", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp1:*:*:*:*:*:*", "matchCriteriaId": "68CAE945-14FB-46E8-AC4E-9F97BC0E6A53", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp2:*:*:*:*:*:*", "matchCriteriaId": "D7DD47E0-0144-4EFF-A7A1-FE27A7D70DF9", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp3:*:*:*:*:*:*", "matchCriteriaId": "882469F8-F936-4BC2-987B-D1635FFF5CF4", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp4:*:*:*:*:*:*", "matchCriteriaId": "C11A5C31-69FD-4EF6-BD1F-37BA248CB9BB", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp5:*:*:*:*:*:*", "matchCriteriaId": "32331EA5-EFE2-483B-8691-C9455B116589", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp6:*:*:*:*:*:*", "matchCriteriaId": "2B092B2D-F03B-4B8A-9BDF-C0A188D9A659", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp7:*:*:*:*:*:*", "matchCriteriaId": "EBE638FF-092C-4A87-9D33-B25484C2F2D8", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp8:*:*:*:*:*:*", "matchCriteriaId": "E18DDC09-33C4-4FA1-BBCF-15D2F6FAAAE1", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:jboss_core_services_httpd:2.4.37:sp9:*:*:*:*:*:*", "matchCriteriaId": "4B639B08-622C-4312-B71B-AA3A7BCC34C4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity."}, {"lang": "es", "value": "Se ha encontrado un fallo en el Servidor HTTP de Red Hat JBoss Core Services en todas las versiones, en el que no normaliza apropiadamente el componente de la ruta de una URL de petici\u00f3n que contenga punto y coma. Este fallo podr\u00eda permitir a un atacante acceder a informaci\u00f3n no autorizada o posiblemente conducir otros ataques. La mayor amenaza de esta vulnerabilidad es para la confidencialidad e integridad de los datos."}], "id": "CVE-2021-3688", "lastModified": "2026-06-17T04:05:33.990", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-26T16:15:09.330", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-3688"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1990252"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-3688"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1990252"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

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"package": "jbcs-httpd24-mod_security-0:2.9.2-67.GA.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-11-10T00:00:00Z"}, {"advisory": "RHSA-2021:4614", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-nghttp2-0:1.39.2-39.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-11-10T00:00:00Z"}, {"advisory": "RHSA-2021:4614", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-openssl-1:1.1.1g-8.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-11-10T00:00:00Z"}, {"advisory": "RHSA-2021:4614", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-openssl-chil-0:1.0.0-7.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-11-10T00:00:00Z"}, {"advisory": "RHSA-2021:4614", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-openssl-pkcs11-0:0.4.10-22.jbcs.el7", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2021-11-10T00:00:00Z"}, {"advisory": "RHSA-2021:4613", "cpe": "cpe:/a:redhat:jboss_core_services:1", "product_name": "Text-Only JBCS", "release_date": "2021-11-10T00:00:00Z"}], "bugzilla": {"description": "JBCS: URL normalization issue with dot-dot-semicolon(s) leads to information disclosure", "id": "1990252", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1990252"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity.", "A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity."], "mitigation": {"lang": "en:us", "value": "Manually add LocationMatch directive to deny any possible problem requests in the JBCS httpd configuration. For example:\n~~~\n<LocationMatch \".*\\.\\.;.*\">\nRequire all denied\n</LocationMatch>\n~~~"}, "name": "CVE-2021-3688", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "httpd:2.4/httpd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "pki-deps:10.6/pki-servlet-container", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Out of support scope", "package_name": "httpd22", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "httpd24-httpd", "product_name": "Red Hat Software Collections"}], "public_date": "2021-08-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-3688\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3688"], "threat_severity": "Moderate"}

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