CVE-2020-17489

Public Exploit

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.)

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory gnome.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997 patch vendor advisory exploit
https://usn.ubuntu.com/4464-1/ third party advisory vendor advisory
https://security.gentoo.org/glsa/202009-08 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-17489?
CVE-2020-17489 has been scored as a medium severity vulnerability.
How to fix CVE-2020-17489?
To fix CVE-2020-17489, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-17489 being actively exploited in the wild?
It is possible that CVE-2020-17489 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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