{"id":"UBUNTU-CVE-2019-12300","details":"Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.","modified":"2025-10-24T04:47:40Z","published":"2019-05-23T15:30:00Z","upstream":["CVE-2019-12300"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-12300"},{"type":"REPORT","url":"https://github.com/buildbot/buildbot/wiki/OAuth-vulnerability-in-using-submitted-authorization-token-for-authentication"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-12300"}],"affected":[{"package":{"name":"buildbot","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/buildbot@1.1.1-3ubuntu5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.12-3.2ubuntu2","1.1.1-3ubuntu4","1.1.1-3ubuntu5"],"ecosystem_specific":{"binaries":[{"binary_name":"buildbot","binary_version":"1.1.1-3ubuntu5"},{"binary_name":"buildbot-slave","binary_version":"1.1.1-3ubuntu5"},{"binary_name":"python3-buildbot","binary_version":"1.1.1-3ubuntu5"},{"binary_name":"python3-buildbot-worker","binary_version":"1.1.1-3ubuntu5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-12300.json"}},{"package":{"name":"buildbot","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/buildbot@2.3.1-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.1-1"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.3.1-1","binary_name":"buildbot"},{"binary_name":"buildbot-slave","binary_version":"2.3.1-1"},{"binary_name":"buildbot-worker","binary_version":"2.3.1-1"},{"binary_version":"2.3.1-1","binary_name":"python3-buildbot"},{"binary_name":"python3-buildbot-worker","binary_version":"2.3.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-12300.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:H/A:H"},{"type":"Ubuntu","score":"medium"}]}