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TI-2017-08954 Aliases CVE-2017-12164GHSA-87vr-968r-r3qp

A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once…

Priority LOW 29CWE-592Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00385 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNOMEgdm3.24.1—No fix listedCNA
  • gdm VendorGNOME Affected 3.24.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnome:gnome_display_manager:3.24.1:*:*:*:*:*:*:*3.24.1VulnerableGNOME
  • cpe:2.3:a:gnome:gnome_display_manager:3.24.1:*:*:*:*:*:*:* Versions 3.24.1 Vulnerable ·GNOME

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-12164
  2. 2026-10-03 Alias added: GHSA-87vr-968r-r3qp

References

Patch 2

  • TI-2018-10342 The daemon in GDM through 3.29.1 does not properly unexport display objects from its… CVSS 3.0HIGH 7.8
  • TI-2020-12684 gdm3 would start gnome-initial-setup if it cannot contact accountservice CVSS 3.1HIGH 7.2
  • TI-2015-06234 GNOME Display Manager (gdm) before 3.18.2 allows physically proximate attackers to bypass… CVSS 2.0HIGH 7.2
  • TI-2013-03642 GNOME Display Manager (gdm) before 2.21.1 allows local users to change permissions of… CVSS 2.0MEDIUM 6.9
  • TI-2019-02837 Improper authentication in Gnome Projectr gdm CVSS 3.0MEDIUM 6.4
  • TI-2020-16907 Race condition in gdm CVSS 3.1MEDIUM 6.4
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences