# CVE-2020-17489: gnome-shell: GNOME Shell acts as a compositing manager for the desktop, and displays both application windows and other objects

CVE-2020-17489 is fixed in 3 products on 1 platform, first by gnome-shell 3.36.4-1ubuntu1~20.04.2, released August 11, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-17489
- Priority: Routine
- CVSS: 4.3 (Low)
- EPSS: 0.0055
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 11, 2020

## Description

GNOME Shell acts as a compositing manager for the desktop, and displays both application windows and other objects. It provides core interface functions like switching windows, launching applications, and notifications. It takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts.   Security Fix(es):  * gnome-shell: Password from logged-out user may be shown on login screen (CVE-2020-17489)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gnome-shell RHEL 8 | 0:3.32.2-44.el8 | [RHSA-2022:1814](https://patchblox.com/security/data/fix/linux/rhsa-2022-1814.md) | May 10, 2022 |
| Linux | gnome-shell Ubuntu 20.04 LTS (focal) | 3.36.4-1ubuntu1~20.04.2 | [gnome-shell 3.36.4-1ubuntu1~20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gnome-shell-3.36.4-1ubuntu1-20.04.2.md) | Aug 11, 2020 |
| Linux | gnome-shell almalinux 8 | 3.32.2-44.el8 | [ALSA-2022:1814](https://patchblox.com/security/data/fix/linux/alsa-2022-1814.md) | May 10, 2022 |
| Linux | gnome-shell ol 8 | 0:3.32.2-44.el8 | [ELSA-2022-1814](https://patchblox.com/security/data/fix/linux/elsa-2022-1814.md) | May 17, 2022 |
| Linux | gnome-shell rocky 8 | 0:3.32.2-44.el8 | [RLSA-2022:1814](https://patchblox.com/security/data/fix/linux/rlsa-2022-1814.md) | May 10, 2022 |
| Linux | gnome-shell-common Ubuntu 20.04 LTS (focal) | 3.36.4-1ubuntu1~20.04.2 | [gnome-shell-common 3.36.4-1ubuntu1~20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gnome-shell-common-3.36.4-1ubuntu1-20.04.2.md) | Aug 11, 2020 |
| Linux | gnome-shell-extension-prefs Ubuntu 20.04 LTS (focal) | 3.36.4-1ubuntu1~20.04.2 | [gnome-shell-extension-prefs 3.36.4-1ubuntu1~20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gnome-shell-extension-prefs-3.36.4-1ubuntu1-20.04.2.md) | Aug 11, 2020 |

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