CVE-2017-12164

Severity Score

6.4

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se ha descubierto una vulnerabilidad en gdm 3.24.1, en donde gdm greeter no establecía el valor booleano ran_once durante el inicio automático de sesión. Si el inicio de sesión automático estaba habilitado para una víctima, un atacante podría simplemente seleccionar "login as another user" para desbloquear su pantalla.

*Credits: N/A

CVSS Scores

Attack Vector

Physical

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-08-01 CVE Reserved
2018-07-26 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-592: DEPRECATED: Authentication Bypass Issues
CWE-665: Improper Initialization

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164	2019-10-09
https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28	2019-10-09

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnome Search vendor "Gnome"		Gnome Display Manager Search vendor "Gnome" for product "Gnome Display Manager"				3.24.1 Search vendor "Gnome" for product "Gnome Display Manager" and version "3.24.1"		-		Affected