{
  "threat_severity" : "Moderate",
  "public_date" : "2021-08-05T00:00:00Z",
  "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"
  },
  "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." ],
  "affected_release" : [ {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-apr-0:1.6.3-107.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-apr-util-0:1.6.1-84.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-curl-0:7.78.0-2.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-httpd-0:2.4.37-78.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_cluster-native-0:1.3.16-9.Final_redhat_2.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_http2-0:1.15.7-21.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_jk-0:1.2.48-20.redhat_1.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_md-1:2.0.8-40.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_security-0:2.9.2-67.GA.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-nghttp2-0:1.39.2-39.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-openssl-1:1.1.1g-8.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-openssl-chil-0:1.0.0-7.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-openssl-pkcs11-0:0.4.10-22.el8jbcs"
  }, {
    "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-apr-0:1.6.3-107.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-apr-util-0:1.6.1-84.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-curl-0:7.78.0-2.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-httpd-0:2.4.37-78.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-mod_cluster-native-0:1.3.16-9.Final_redhat_2.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-mod_http2-0:1.15.7-21.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-mod_jk-0:1.2.48-20.redhat_1.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-mod_md-1:2.0.8-40.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-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" : "Text-Only JBCS",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4613",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "httpd:2.4/httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "pki-deps:10.6/pki-servlet-container",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "httpd",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat JBoss Enterprise Application Platform 6",
    "fix_state" : "Out of support scope",
    "package_name" : "httpd22",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_application_platform:6"
  }, {
    "product_name" : "Red Hat Software Collections",
    "fix_state" : "Not affected",
    "package_name" : "httpd24-httpd",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-3688\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3688" ],
  "name" : "CVE-2021-3688",
  "mitigation" : {
    "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~~~",
    "lang" : "en:us"
  },
  "csaw" : false
}