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Ubuntu Security Notice USN-3994-1
May 27, 2019
gnome-desktop3 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.04
– Ubuntu 18.10
– Ubuntu 18.04 LTS
Summary:
gnome-desktop could be made to escape the thumbnailer sandbox.
Software Description:
– gnome-desktop3: Introspection data for GnomeDesktop
Details:
It was discovered that gnome-desktop incorrectly confined thumbnailers. If
a user were tricked into downloading a malicious image file, a remote
attacker could possibly combine this issue with another vulnerability to
escape the sandbox and execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
libgnome-desktop-3-17 3.32.1-1ubuntu1.1
Ubuntu 18.10:
libgnome-desktop-3-17 3.30.1-1ubuntu1.1
Ubuntu 18.04 LTS:
libgnome-desktop-3-17 3.28.2-0ubuntu1.3
After a standard system update you need to restart your session to make all
the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3994-1
CVE-2019-11460
Package Information:
https://launchpad.net/ubuntu/+source/gnome-desktop3/3.32.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/gnome-desktop3/3.30.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/gnome-desktop3/3.28.2-0ubuntu1.3
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