Vulnerability Details : CVE-2020-17489
Potential exploit
An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)
Products affected by CVE-2020-17489
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-17489
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-17489
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
1.9
|
LOW | AV:L/AC:M/Au:N/C:P/I:N/A:N |
3.4
|
2.9
|
NIST | |
4.3
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
0.7
|
3.6
|
NIST |
CWE ids for CVE-2020-17489
-
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-17489
-
https://security.gentoo.org/glsa/202009-08
GNOME Shell: Information disclosure (GLSA 202009-08) — Gentoo securityThird Party Advisory
-
https://usn.ubuntu.com/4464-1/
USN-4464-1: GNOME Shell vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997
User Password is Visible on Logout (#2997) · Issues · GNOME / gnome-shell · GitLabExploit;Patch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html
[SECURITY] [DLA 2374-1] gnome-shell security updateThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html
[security-announce] openSUSE-SU-2020:1861-1: moderate: Security update fThird Party Advisory
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