4.3
MEDIUM
CVE-2020-17489
GNOME gnome-shell Information Disclosure
Description

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.)

INFO

Published Date :

Aug. 11, 2020, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 5:08 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.7
Affected Products

The following products are affected by CVE-2020-17489 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.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Opensuse leap
1 Gnome gnome-shell
: Total Affected Vendor : 4 | Products : 4
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-2020-17489.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html Third Party Advisory
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997 Exploit Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html Third Party Advisory
https://security.gentoo.org/glsa/202009-08 Third Party Advisory
https://usn.ubuntu.com/4464-1/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html Third Party Advisory
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997 Exploit Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html Third Party Advisory
https://security.gentoo.org/glsa/202009-08 Third Party Advisory
https://usn.ubuntu.com/4464-1/ Third Party Advisory

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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-17489 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-17489 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-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html
    Added Reference https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997
    Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html
    Added Reference https://security.gentoo.org/glsa/202009-08
    Added Reference https://usn.ubuntu.com/4464-1/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 26, 2021

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202009-08 No Types Assigned https://security.gentoo.org/glsa/202009-08 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4464-1/ No Types Assigned https://usn.ubuntu.com/4464-1/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 07, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 15, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 14, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202009-08 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 25, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4464-1/ [No Types Assigned]
  • Reanalysis by [email protected]

    Aug. 20, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Removed CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:N/A:N)
    Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:N/A:N)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
  • Initial Analysis by [email protected]

    Aug. 17, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997 No Types Assigned https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997 Exploit, Patch, Vendor Advisory
    Added CWE NIST CWE-522
    Added CPE Configuration OR *cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* versions up to (including) 3.36.4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-17489 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-2020-17489 weaknesses.

CAPEC-50: Password Recovery Exploitation Password Recovery Exploitation CAPEC-102: Session Sidejacking Session Sidejacking CAPEC-474: Signature Spoofing by Key Theft Signature Spoofing by Key Theft CAPEC-509: Kerberoasting Kerberoasting CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-555: Remote Services with Stolen Credentials Remote Services with Stolen Credentials CAPEC-560: Use of Known Domain Credentials Use of Known Domain Credentials CAPEC-561: Windows Admin Shares with Stolen Credentials Windows Admin Shares with Stolen Credentials CAPEC-600: Credential Stuffing Credential Stuffing CAPEC-644: Use of Captured Hashes (Pass The Hash) Use of Captured Hashes (Pass The Hash) CAPEC-645: Use of Captured Tickets (Pass The Ticket) Use of Captured Tickets (Pass The Ticket) CAPEC-652: Use of Known Kerberos Credentials Use of Known Kerberos Credentials CAPEC-653: Use of Known Operating System Credentials Use of Known Operating System Credentials
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.11 }} 0.01%

score

0.43225

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: