Vulnerability Details : 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.
Products affected by CVE-2017-12164
- cpe:2.3:a:gnome:gnome_display_manager:3.24.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12164
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12164
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.5
|
5.9
|
NIST | |
|
4.1
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
0.7
|
3.4
|
Red Hat, Inc. |
CWE ids for CVE-2017-12164
-
Assigned by: secalert@redhat.com (Secondary)
-
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-12164
-
https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28
manager: if falling back to X11 retry autologin (ff98b281) · Commits · GNOME / gdm · GitLabPatch;Vendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164
1490417 – (CVE-2017-12164) CVE-2017-12164 gdm: lock screen can be circumvented when autologin is setIssue Tracking;Patch;Third Party Advisory
Jump to