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 6.4 MEDIUM
CVSS v2.0 6.9 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

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

Exploitability : 0.5 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2018-07-26 16:29

Updated : 2024-02-28 16:48

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-665

Improper Initialization

CWE-592

DEPRECATED: Authentication Bypass Issues

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