{"id":"UBUNTU-CVE-2018-6560","details":"In dbus-proxy/flatpak-proxy.c in Flatpak before 0.8.9, and 0.9.x and 0.10.x before 0.10.3, crafted D-Bus messages to the host can be used to break out of the sandbox, because whitespace handling in the proxy is not identical to whitespace handling in the daemon.","modified":"2025-07-17T16:53:52Z","published":"2018-02-02T14:29:00Z","withdrawn":"2025-07-18T16:44:30Z","upstream":["CVE-2018-6560"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6560"},{"type":"REPORT","url":"https://github.com/flatpak/flatpak/commit/52346bf187b5a7f1c0fe9075b328b7ad6abe78f6"},{"type":"REPORT","url":"https://github.com/flatpak/flatpak/releases/tag/0.10.3"},{"type":"REPORT","url":"https://github.com/flatpak/flatpak/releases/tag/0.8.9"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-6560"}],"affected":[{"package":{"name":"flatpak","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/flatpak@0.10.3-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.3-1"}]}],"versions":["0.8.7-5","0.10.0-1","0.10.0-2","0.10.1-1","0.10.2-1","0.10.2.1-1","0.10.2.1-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.10.3-1","binary_name":"flatpak"},{"binary_version":"0.10.3-1","binary_name":"flatpak-dbgsym"},{"binary_version":"0.10.3-1","binary_name":"flatpak-tests"},{"binary_version":"0.10.3-1","binary_name":"flatpak-tests-dbgsym"},{"binary_version":"0.10.3-1","binary_name":"gir1.2-flatpak-1.0"},{"binary_version":"0.10.3-1","binary_name":"libflatpak-dev"},{"binary_version":"0.10.3-1","binary_name":"libflatpak-doc"},{"binary_version":"0.10.3-1","binary_name":"libflatpak0"},{"binary_version":"0.10.3-1","binary_name":"libflatpak0-dbgsym"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6560.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}