CVE-2017-12164

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.

CVSS v3 4.1 MEDIUM
CVSS v2.0 6.9 MEDIUM

4.1^/10

CVSS v3 : MEDIUM

Vector : AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploitability : 0.7 / Impact : 3.4

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164	Issue Tracking Patch Third Party Advisory
https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28	Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164	Issue Tracking Patch Third Party Advisory
https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnome:gnome_display_manager:3.24.1:*:*:*:*:*:*:*

History

21 Nov 2024, 03:08

Type	Values Removed	Values Added
CVSS	v2 : ~~6.9~~ v3 : ~~6.4~~	v2 : 6.9 v3 : 4.1
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164 - Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28 - Patch, Vendor Advisory~~	() https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28 - Patch, Vendor Advisory

Information

Published : 2018-07-26 16:29

Updated : 2024-11-21 03:08

NVD link : CVE-2017-12164

Mitre link : CVE-2017-12164

CVE.ORG link : CVE-2017-12164

JSON object : View

Products Affected

gnome

gnome_display_manager

CWE

CWE-592

DEPRECATED: Authentication Bypass Issues

CWE-665

Improper Initialization

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