CVE-2019-3820
GNOME Shell Contextual Action Escalation
Description
It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions.
INFO
Published Date :
Feb. 6, 2019, 8:29 p.m.
Last Modified :
Nov. 21, 2024, 4:42 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
                                            The following products are affected by CVE-2019-3820
                                            vulnerability.
                                            Even if cvefeed.io is aware of the exact versions of the
                                            products
                                            that
                                            are
                                            affected, the information is not represented in the table below.
                                        
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | 
Solution
- Update the affected gnome-shell packages.
- If applicable, upgrade other affected packages.
Public PoC/Exploit Available at Github
                                            CVE-2019-3820 has a 1 public
                                            PoC/Exploit available at Github.
                                            Go to the Public Exploits tab to see the list.
                                        
References to Advisories, Solutions, and Tools
                                            Here, you will find a curated list of external links that provide in-depth
                                            information, practical solutions, and valuable tools related to
                                            CVE-2019-3820.
                                        
| URL | Resource | 
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html | Mailing List Third Party Advisory | 
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html | Mailing List Third Party Advisory | 
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820 | Exploit Issue Tracking Third Party Advisory | 
| https://gitlab.gnome.org/GNOME/gnome-shell/issues/851 | Issue Tracking Patch Third Party Advisory | 
| https://usn.ubuntu.com/3966-1/ | Third Party Advisory | 
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html | Mailing List Third Party Advisory | 
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html | Mailing List Third Party Advisory | 
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820 | Exploit Issue Tracking Third Party Advisory | 
| https://gitlab.gnome.org/GNOME/gnome-shell/issues/851 | Issue Tracking Patch Third Party Advisory | 
| https://usn.ubuntu.com/3966-1/ | Third Party Advisory | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2019-3820 is
            associated with the following CWEs:
        
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
            (CAPEC)
            stores attack patterns, which are descriptions of the common attributes and
            approaches employed by adversaries to exploit the CVE-2019-3820
            weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2019-3820 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2019-3820 vulnerability over time.
            
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
- 
                            CVE Modified by af854a3a-2127-422b-91ae-364da2661108Nov. 21, 2024 Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820 Added Reference https://gitlab.gnome.org/GNOME/gnome-shell/issues/851 Added Reference https://usn.ubuntu.com/3966-1/ 
- 
                            CVE Modified by [email protected]May. 14, 2024 Action Type Old Value New Value 
- 
                            Reanalysis by [email protected]Sep. 29, 2021 Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* versions from (including) 3.15.91 OR *cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* versions from (including) 3.15.91 up to (excluding) 3.30.3 *cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* versions from (including) 3.31.0 up to (excluding) 3.31.5 
- 
                            Modified Analysis by [email protected]Oct. 19, 2020 Action Type Old Value New Value Removed CVSS V3 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html Mailing List, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/3966-1/ No Types Assigned https://usn.ubuntu.com/3966-1/ Third Party Advisory Removed CWE NIST CWE-285 Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 
- 
                            CVE Modified by [email protected]Oct. 09, 2019 Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:P/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L Added CWE Red Hat, Inc. CWE-285 
- 
                            CVE Modified by [email protected]Jun. 19, 2019 Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html [No Types Assigned] 
- 
                            CVE Modified by [email protected]Jun. 07, 2019 Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html [No Types Assigned] 
- 
                            CVE Modified by [email protected]May. 06, 2019 Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3966-1/ [No Types Assigned] 
- 
                            Initial Analysis by [email protected]Feb. 11, 2019 Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Changed Reference Type https://gitlab.gnome.org/GNOME/gnome-shell/issues/851 No Types Assigned https://gitlab.gnome.org/GNOME/gnome-shell/issues/851 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820 Exploit, Issue Tracking, Third Party Advisory Added CWE CWE-285 Added CPE Configuration OR *cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* versions from (including) 3.15.91 
Vulnerability Scoring Details
Base CVSS Score: 4.3
Base CVSS Score: 4.8
Base CVSS Score: 4.6
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} -0.03%
score
0.12527
percentile
 
                         
                         
                         
                                             
                                            