{"schema_version":"1.7.3","id":"UBUNTU-CVE-2020-8184","published":"2020-06-19T17:15:00Z","modified":"2026-02-04T03:11:28.279547Z","related":["USN-4561-1","USN-4561-2","USN-5253-1"],"upstream":["CVE-2020-8184"],"details":"A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix.","affected":[{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@1.5.2-3+deb8u3ubuntu1~esm4?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.2-3+deb8u3ubuntu1~esm4"}]}],"versions":["1.5.2-1","1.5.2-1ubuntu0.1~esm1","1.5.2-3+deb8u3ubuntu1~esm2","1.5.2-3+deb8u3ubuntu1~esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"librack-ruby","binary_version":"1.5.2-3+deb8u3ubuntu1~esm4"},{"binary_name":"librack-ruby1.8","binary_version":"1.5.2-3+deb8u3ubuntu1~esm4"},{"binary_name":"librack-ruby1.9.1","binary_version":"1.5.2-3+deb8u3ubuntu1~esm4"},{"binary_name":"ruby-rack","binary_version":"1.5.2-3+deb8u3ubuntu1~esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8184.json"}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@1.6.4-3ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.4-3ubuntu0.2"}]}],"versions":["1.5.2-4","1.6.4-2","1.6.4-3","1.6.4-3ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ruby-rack","binary_version":"1.6.4-3ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8184.json"}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@1.6.4-4ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.4-4ubuntu0.2"}]}],"versions":["1.6.4-4","1.6.4-4ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ruby-rack","binary_version":"1.6.4-4ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8184.json"}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack@2.0.7-2ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.7-2ubuntu0.1"}]}],"versions":["2.0.6-3","2.0.7-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ruby-rack","binary_version":"2.0.7-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8184.json"}}],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8184"},{"type":"REPORT","url":"https://groups.google.com/g/rubyonrails-security/c/OWtmozPH9Ak"},{"type":"REPORT","url":"https://hackerone.com/reports/895727"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4561-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4561-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5253-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8184"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}