First published: Tue Apr 29 2014(Updated: )
The automatic screen lock functionality in GNOME Shell (aka gnome-shell) before 3.10 does not prevent access to the "Enter a Command" dialog, which allows physically proximate attackers to execute arbitrary commands by leveraging an unattended workstation.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Ubuntu Yaru Theme for GNOME Shell | <=3.9.92 | |
Ubuntu Yaru Theme for GNOME Shell | =3.0.0 | |
Ubuntu Yaru Theme for GNOME Shell | =3.0.0.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.0.0.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.0.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.0.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.1.3 | |
Ubuntu Yaru Theme for GNOME Shell | =3.1.4 | |
Ubuntu Yaru Theme for GNOME Shell | =3.1.90 | |
Ubuntu Yaru Theme for GNOME Shell | =3.1.90.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.1.91 | |
Ubuntu Yaru Theme for GNOME Shell | =3.1.91.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.1.92 | |
Ubuntu Yaru Theme for GNOME Shell | =3.2.0 | |
Ubuntu Yaru Theme for GNOME Shell | =3.2.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.2.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.2.2.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.3.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.3.3 | |
Ubuntu Yaru Theme for GNOME Shell | =3.3.5 | |
Ubuntu Yaru Theme for GNOME Shell | =3.3.90 | |
Ubuntu Yaru Theme for GNOME Shell | =3.3.91 | |
Ubuntu Yaru Theme for GNOME Shell | =3.3.92 | |
Ubuntu Yaru Theme for GNOME Shell | =3.4.0 | |
Ubuntu Yaru Theme for GNOME Shell | =3.4.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.4.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.5.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.5.3 | |
Ubuntu Yaru Theme for GNOME Shell | =3.5.4 | |
Ubuntu Yaru Theme for GNOME Shell | =3.5.90 | |
Ubuntu Yaru Theme for GNOME Shell | =3.5.91 | |
Ubuntu Yaru Theme for GNOME Shell | =3.5.92 | |
Ubuntu Yaru Theme for GNOME Shell | =3.6.0 | |
Ubuntu Yaru Theme for GNOME Shell | =3.6.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.6.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.6.3 | |
Ubuntu Yaru Theme for GNOME Shell | =3.6.3.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.2.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.3 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.3.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.4 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.4.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.5 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.91 | |
Ubuntu Yaru Theme for GNOME Shell | =3.7.92 | |
Ubuntu Yaru Theme for GNOME Shell | =3.8.0 | |
Ubuntu Yaru Theme for GNOME Shell | =3.8.0.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.8.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.8.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.8.3 | |
Ubuntu Yaru Theme for GNOME Shell | =3.8.4 | |
Ubuntu Yaru Theme for GNOME Shell | =3.9.1 | |
Ubuntu Yaru Theme for GNOME Shell | =3.9.2 | |
Ubuntu Yaru Theme for GNOME Shell | =3.9.3 | |
Ubuntu Yaru Theme for GNOME Shell | =3.9.4 | |
Ubuntu Yaru Theme for GNOME Shell | =3.9.5 | |
Ubuntu Yaru Theme for GNOME Shell | =3.9.90 | |
Ubuntu Yaru Theme for GNOME Shell | =3.9.91 |
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CVE-2013-7221 is considered a medium severity vulnerability due to the potential for unauthorized command execution on an unattended workstation.
To fix CVE-2013-7221, upgrade GNOME Shell to version 3.10 or later, which addresses the automatic screen lock functionality vulnerability.
GNOME Shell versions prior to 3.10, including all versions from 3.0.0 to 3.9.92, are affected by CVE-2013-7221.
The impact of CVE-2013-7221 is the ability for physically proximate attackers to execute arbitrary commands on a locked GNOME Shell session.
A temporary workaround for CVE-2013-7221 is to disable the automatic lock functionality or ensure that the GNOME Shell is not left unattended.