flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226)

An incomplete fix for CVE-2017-5226 was found in flatpak. A sandbox bypass flaw was found in the way bubblewrap, which is used for sandboxing flatpak applications handled the TIOCSTI ioctl. A malicious flatpak application could use this flaw to inject commands into the controlled terminal of the...

Fedora 27 : flatpak (2018-bd651734da)

This is a security fix release that fixes a sandbox escape in the flatpak dbus proxy. This issue was found by Gabriel Campana of The Google Security Team. Major changes in 0.10.3 - Fix dbus proxy vulnerability in authentication phase - Make permission handling ignore unknown permissions for...

UBUNTU-CVE-2018-6560

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...