CVE-2017-12164
MEDIUMgnome_display_manager 3.24.1 - Unauthenticated Screen Unlock Bypass via Autologin Greeter
Title source: llmDescription
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.
References (2)
Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164
Scores
CVSS v3
4.1
EPSS
0.0014
EPSS Percentile
33.0%
Attack Vector
PHYSICAL
CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Details
CWE
CWE-665
CWE-592
Status
published
Products (1)
gnome/gnome_display_manager
3.24.1
Published
Jul 26, 2018
Tracked Since
Feb 18, 2026