Upstream information

CVE-2017-12164 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.9
Vector AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 6.4
Vector CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Physical
Access Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entry: 1058136 [RESOLVED / UPSTREAM]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Desktop Applications 15 SP1
  • gdm >= 3.26.2.1-13.19.2
  • gdm-devel >= 3.26.2.1-13.19.2
  • gdm-lang >= 3.26.2.1-13.19.2
  • gdmflexiserver >= 3.26.2.1-13.19.2
  • libgdm1 >= 3.26.2.1-13.19.2
  • typelib-1_0-Gdm-1_0 >= 3.26.2.1-13.19.2
SUSE Linux Enterprise Module for Desktop Applications 15
  • gdm >= 3.26.2.1-11.17
  • gdm-devel >= 3.26.2.1-11.17
  • gdm-lang >= 3.26.2.1-11.17
  • gdmflexiserver >= 3.26.2.1-11.17
  • libgdm1 >= 3.26.2.1-11.17
  • typelib-1_0-Gdm-1_0 >= 3.26.2.1-11.17
openSUSE Leap 15.0
  • gdm >= 3.26.2.1-lp150.10.1
  • gdm-lang >= 3.26.2.1-lp150.10.1
  • gdmflexiserver >= 3.26.2.1-lp150.10.1
  • libgdm1 >= 3.26.2.1-lp150.10.1
  • typelib-1_0-Gdm-1_0 >= 3.26.2.1-lp150.10.1
Patchnames:
openSUSE Leap 15.0 GA gdm


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 12 SP2 gdm Affected
SUSE Linux Enterprise Desktop 12 SP3 gdm Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS gdm Not affected
SUSE Linux Enterprise Server 11 SP4 gdm Not affected
SUSE Linux Enterprise Server 12 LTSS gdm Not affected
SUSE Linux Enterprise Server 12 SP1 LTSS gdm Not affected
SUSE Linux Enterprise Server 12 SP2 gdm Not affected
SUSE Linux Enterprise Server 12 SP3 gdm Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 gdm Not affected