CVE-2018-6560
flatpak: sandbox escape in D-Bus filtering by a crafted authentication handshake
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · January 29, 2018
Updated · November 22, 2025
Description
It was found that flatpak's D-Bus proxy did not properly filter the access to D-Bus during the authentication protocol. A specially crafted flatpak application could use this flaw to bypass all restrictions imposed by flatpak and have full access to the D-BUS interface.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CWE-270 · Privilege Context Switching Error