Vulnerability identifier: #VU17666

Vulnerability risk: Low

CVSSv3.1: 3.6 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3825

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
GNOME Display Manager
Client/Desktop applications / Other client software

Vendor: Gnome Development Team

Description

The vulnerability allows a physical attacker to bypass security restrictions on the system.

The vulnerability exists due to improper security restrictions imposed by the affected software when timed login is enabled. A local attacker with physical access can select the timed login user and wait for the timer to expire that allows to bypass security restrictions and gain access to the logged-in user’s session on the targeted system.

Mitigation
Update to version 3.31.4.

Vulnerable software versions

GNOME Display Manager: 3.0.0 - 3.30.2

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3825

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.