Vulnerability Details : CVE-2019-3825
Potential exploit
A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.
Vulnerability category: BypassGain privilege
Products affected by CVE-2019-3825
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-3825
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-3825
| 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 | |
|
6.3
|
MEDIUM | CVSS:3.0/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
0.4
|
5.9
|
Red Hat, Inc. |
CWE ids for CVE-2019-3825
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2019-3825
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3825
1672825 – (CVE-2019-3825) CVE-2019-3825 gdm: lock screen bypass when timed login is enabledExploit;Issue Tracking;Mitigation;Third Party Advisory
-
https://usn.ubuntu.com/3892-1/
USN-3892-1: GDM vulnerability | Ubuntu security noticesThird Party Advisory
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