USN-3994-1

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.

References

Affected packages

Ubuntu:18.04:LTS / gnome-desktop3

Package

Name: gnome-desktop3
Purl: pkg:deb/ubuntu/gnome-desktop3@3.28.2-0ubuntu1.3?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.28.2-0ubuntu1.3

Affected versions

3.*

3.26.1-0ubuntu1

3.26.2-1ubuntu1

3.27.90-1ubuntu1

3.27.92-0ubuntu1

3.28.0-0ubuntu1

3.28.1-1ubuntu1

3.28.2-0ubuntu1

3.28.2-0ubuntu1.1

3.28.2-0ubuntu1.2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-gnomedesktop-3.0",
            "binary_version": "3.28.2-0ubuntu1.3"
        },
        {
            "binary_name": "gnome-desktop3-data",
            "binary_version": "3.28.2-0ubuntu1.3"
        },
        {
            "binary_name": "libgnome-desktop-3-17",
            "binary_version": "3.28.2-0ubuntu1.3"
        },
        {
            "binary_name": "libgnome-desktop-3-17-dbgsym",
            "binary_version": "3.28.2-0ubuntu1.3"
        },
        {
            "binary_name": "libgnome-desktop-3-dev",
            "binary_version": "3.28.2-0ubuntu1.3"
        }
    ]
}