{"id":"UBUNTU-CVE-2017-16654","details":"An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.","modified":"2025-10-24T04:46:36Z","published":"2018-08-06T21:29:00Z","upstream":["CVE-2017-16654"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-16654"},{"type":"REPORT","url":"https://symfony.com/blog/cve-2017-16654-intl-bundle-readers-breaking-out-of-paths"},{"type":"REPORT","url":"https://github.com/symfony/symfony/pull/24994"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-16654"}],"affected":[{"package":{"name":"symfony","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/symfony@2.7.10-0ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.1+dfsg-1","2.7.5+dfsg-1","2.7.9+dfsg-1","2.7.9+dfsg-1ubuntu2","2.7.10-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"php-symfony-asset","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-browser-kit","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-class-loader","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-config","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-console","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-css-selector","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-debug","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-debug-bundle","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-dependency-injection","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-doctrine-bridge","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-dom-crawler","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-event-dispatcher","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-expression-language","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-filesystem","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-finder","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-form","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-framework-bundle","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-http-foundation","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-http-kernel","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-intl","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-locale","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-monolog-bridge","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-options-resolver","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-phpunit-bridge","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-process","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-property-access","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-proxy-manager-bridge","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-routing","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-security","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-security-bundle","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-serializer","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-stopwatch","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-swiftmailer-bridge","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-templating","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-translation","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-twig-bridge","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-twig-bundle","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-validator","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-var-dumper","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-web-profiler-bundle","binary_version":"2.7.10-0ubuntu2"},{"binary_name":"php-symfony-yaml","binary_version":"2.7.10-0ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-16654.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}