CVE-2017-12164

Description

A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen.

Categories

4.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory gnome.org
Affected: GNOME gdm
Published at:
Updated at:

References

Link Tags
https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28 patch vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-12164?
CVE-2017-12164 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12164?
To fix CVE-2017-12164, 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-2017-12164 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12164 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12164?
CVE-2017-12164 affects GNOME gdm.
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