Vulnerability 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.)
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Gnome-Shell | <= 3.36.4 |
| Canonical | Ubuntu Linux | 20.04 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.htmlThird Party Advisory
- https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997ExploitPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00014.htmlThird Party Advisory
- https://security.gentoo.org/glsa/202009-08Third Party Advisory
- https://usn.ubuntu.com/4464-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.htmlThird Party Advisory
- https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997ExploitPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00014.htmlThird Party Advisory
- https://security.gentoo.org/glsa/202009-08Third Party Advisory
- https://usn.ubuntu.com/4464-1/Third Party Advisory
FAQ
What is CVE-2020-17489?
CVE-2020-17489 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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....
How severe is CVE-2020-17489?
CVE-2020-17489 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-17489?
Check the references section above for vendor advisories and patch information. Affected products include: Gnome Gnome-Shell, Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap.