CVE-2019-3820
First published: Wed Feb 06 2019(Updated: )
Gnome gnome-shell lock screen could allow a physical attacker to bypass security restrictions, caused by the failure to properly restrict all contextual actions. By performing specially-crafted operations, an attacker could exploit this vulnerability to invoke certain keyboard shortcuts.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Data Risk Manager | <=2.0.6 | |
| debian/gnome-shell | 3.38.6-1~deb11u2 43.9-0+deb12u2 47.3-1 | |
| Ubuntu Yaru Theme for GNOME Shell | >=3.15.91<3.30.3 | |
| Ubuntu Yaru Theme for GNOME Shell | >=3.31.0<3.31.5 | |
| SUSE openSUSE | =15.0 | |
| SUSE openSUSE | =15.1 | |
| SUSE openSUSE | =42.3 | |
| Ubuntu Linux | =18.04 | |
| Ubuntu Linux | =18.10 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820
- https://gitlab.gnome.org/GNOME/gnome-shell/issues/851
- https://usn.ubuntu.com/3966-1/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/157399
- https://www.ibm.com/support/pages/node/6335281 (Advisory)
- https://launchpad.net/bugs/cve/CVE-2019-3820
- https://bugzilla.gnome.org/show_bug.cgi?id=745039
- https://gitlab.gnome.org/GNOME/gnome-shell/commit/c79d24b60e773262091023feb6ee1b3deef1c471
- https://security-tracker.debian.org/tracker/CVE-2019-3820
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3820
- https://nvd.nist.gov/vuln/detail/CVE-2019-3820
- https://ubuntu.com/security/CVE-2019-3820
Frequently Asked Questions
What is the severity of CVE-2019-3820?
CVE-2019-3820 has a medium severity rating due to its potential to allow physical attackers to bypass the lock screen security measures.
How do I fix CVE-2019-3820?
To fix CVE-2019-3820, update to the latest patched version of gnome-shell provided by your distribution.
Which versions of gnome-shell are affected by CVE-2019-3820?
CVE-2019-3820 affects gnome-shell versions prior to 3.30.3 and between 3.31.0 and 3.31.5.
What platforms are affected by CVE-2019-3820?
CVE-2019-3820 affects multiple platforms, including various releases of Ubuntu, openSUSE, and Debian.
Is there a workaround for CVE-2019-3820?
There is no official workaround for CVE-2019-3820, so upgrading to a secure version is recommended.
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