CVE-2019-11460

NameCVE-2019-11460
DescriptionAn issue was discovered in GNOME gnome-desktop 3.26, 3.28, and 3.30 prior to 3.30.2.2, and 3.32 prior to 3.32.1.1. 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs928732

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnome-desktop3 (PTS)jessie3.14.1-1fixed
stretch3.22.2-1fixed
buster3.30.2.1-2fixed
bullseye, sid3.34.1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnome-desktop3source(unstable)3.30.2.1-2low928732
gnome-desktop3sourceexperimental3.32.2-1medium
gnome-desktop3sourcejessie(not affected)
gnome-desktop3sourcestretch(not affected)

Notes

[buster] - gnome-desktop3 <no-dsa> (Minor issue)
[stretch] - gnome-desktop3 <not-affected> (Vulnerable embedded gnome-desktop thumbnail script introduced later)
[jessie] - gnome-desktop3 <not-affected> (Vulnerable embedded gnome-desktop thumbnail script introduced later)
https://gitlab.gnome.org/GNOME/gnome-desktop/issues/112

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