{"id":"UBUNTU-CVE-2020-8163","details":"The is a code injection vulnerability in versions of Rails prior to 5.0.1 that wouldallow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.","modified":"2026-01-20T17:20:20.285538Z","published":"2020-07-02T19:15:00Z","upstream":["CVE-2020-8163"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8163"},{"type":"REPORT","url":"https://weblog.rubyonrails.org/2020/5/16/rails-4-2-11-3-has-been-released/"},{"type":"REPORT","url":"https://github.com/rails/rails/commit/4c46a15e0a7815ca9e4cd7c7fda042eb8c1b7724"},{"type":"REPORT","url":"https://github.com/rails/rails/commit/1f3db0ad793441a0c00e85d56228fc80aafbe6c1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8163"}],"affected":[{"package":{"name":"rails","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/rails@2:4.2.6-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:4.1.10-1","2:4.2.5-1","2:4.2.5.1-1","2:4.2.5.2-2","2:4.2.6-1","2:4.2.6-1ubuntu0.1~esm1","2:4.2.6-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"rails","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-actionmailer","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-actionpack","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-actionview","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-activejob","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-activemodel","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-activerecord","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-activesupport","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-rails","binary_version":"2:4.2.6-1ubuntu0.1~esm2"},{"binary_name":"ruby-railties","binary_version":"2:4.2.6-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8163.json"}},{"package":{"name":"rails","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/rails@2:4.2.10-0ubuntu4+esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:4.2.9-2","2:4.2.9-4","2:4.2.10-0ubuntu4","2:4.2.10-0ubuntu4+esm1","2:4.2.10-0ubuntu4+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"rails","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-actionmailer","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-actionpack","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-actionview","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-activejob","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-activemodel","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-activerecord","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-activesupport","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-rails","binary_version":"2:4.2.10-0ubuntu4+esm2"},{"binary_name":"ruby-railties","binary_version":"2:4.2.10-0ubuntu4+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8163.json"}},{"package":{"name":"rails","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/rails@2:5.2.3+dfsg-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:5.2.2.1+dfsg-1ubuntu1","2:5.2.3+dfsg-3","2:5.2.3+dfsg-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"rails","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-actioncable","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-actionmailer","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-actionpack","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-actionview","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-activejob","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-activemodel","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-activerecord","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-activestorage","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-activesupport","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-rails","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"},{"binary_name":"ruby-railties","binary_version":"2:5.2.3+dfsg-3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8163.json"}},{"package":{"name":"rails","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/rails@2:6.1.4.1+dfsg-8ubuntu2+esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:6.0.3.7+dfsg-2","2:6.1.4.1+dfsg-8ubuntu2","2:6.1.4.1+dfsg-8ubuntu2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"rails","binary_version":"2:6.1.4.1+dfsg-8ubuntu2+esm1"},{"binary_name":"ruby-act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