ArchLinux: 201905-3: nautilus: sandbox escape
Summary
An issue was discovered in GNOME Nautilus 3.30 prior to 3.30.6 and 3.32 prior to 3.32.1. A compromised thumbnailer may escape the bubblewrap sandbox used to confine thumbnailers by using the TIOCSTI ioctl to push characters into the input buffer of the thumbnailer's controlling terminal, allowing an attacker to escape the sandbox if the thumbnailer has a controlling terminal. This is due to improper filtering of the TIOCSTI ioctl on 64-bit systems, similar to CVE-2019-10063.
Resolution
Upgrade to 3.32.1-1.
# pacman -Syu "nautilus>=3.32.1-1"
The problem has been fixed upstream in version 3.32.1.
References
https://gitlab.gnome.org/GNOME/nautilus/-/issues/987 https://gitlab.gnome.org/GNOME/nautilus/-/commit/2ddba428ef2b13d0620bd599c3635b9c11044659 https://security.archlinux.org/CVE-2019-11461
Workaround
None.