{"id":"UBUNTU-CVE-2017-7674","details":"The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.","modified":"2026-01-30T02:20:20.811301Z","published":"2017-08-10T00:00:00Z","related":["USN-3519-1"],"upstream":["CVE-2017-7674"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7674"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/22b4bb077502f847e2b9fcf00b96e81e734466ab459780ff73b60c0f@%3Cannounce.tomcat.apache.org%3E"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3519-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-7674"}],"affected":[{"package":{"name":"tomcat7","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/tomcat7@7.0.52-1ubuntu0.13?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.52-1ubuntu0.13"}]}],"versions":["7.0.42-1","7.0.47-1","7.0.50-1","7.0.52-1","7.0.52-1ubuntu0.1","7.0.52-1ubuntu0.3","7.0.52-1ubuntu0.6","7.0.52-1ubuntu0.7","7.0.52-1ubuntu0.8","7.0.52-1ubuntu0.9","7.0.52-1ubuntu0.10","7.0.52-1ubuntu0.11"],"ecosystem_specific":{"binaries":[{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"libservlet3.0-java"},{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"libtomcat7-java"},{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"tomcat7"},{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"tomcat7-admin"},{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"tomcat7-common"},{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"tomcat7-docs"},{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"tomcat7-examples"},{"binary_version":"7.0.52-1ubuntu0.13","binary_name":"tomcat7-user"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7674.json"}},{"package":{"name":"tomcat8","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/tomcat8@8.0.32-1ubuntu1.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.5"}]}],"versions":["8.0.26-1","8.0.28-1","8.0.30-1","8.0.32-1","8.0.32-1ubuntu1","8.0.32-1ubuntu1.1","8.0.32-1ubuntu1.2","8.0.32-1ubuntu1.3","8.0.32-1ubuntu1.4"],"ecosystem_specific":{"binaries":[{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"libservlet3.1-java"},{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"libtomcat8-java"},{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"tomcat8"},{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"tomcat8-admin"},{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"tomcat8-common"},{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"tomcat8-docs"},{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"tomcat8-examples"},{"binary_version":"8.0.32-1ubuntu1.5","binary_name":"tomcat8-user"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7674.json"}},{"package":{"name":"tomcat7","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tomcat7@7.0.68-1ubuntu0.4+esm3?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.64-1","7.0.68-1","7.0.68-1ubuntu0.1","7.0.68-1ubuntu0.3","7.0.68-1ubuntu0.4","7.0.68-1ubuntu0.4+esm1","7.0.68-1ubuntu0.4+esm2","7.0.68-1ubuntu0.4+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"libservlet3.0-java"},{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"libtomcat7-java"},{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"tomcat7"},{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"tomcat7-admin"},{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"tomcat7-common"},{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"tomcat7-docs"},{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"tomcat7-examples"},{"binary_version":"7.0.68-1ubuntu0.4+esm3","binary_name":"tomcat7-user"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7674.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}