CVE-2019-3825 : What You Need to Know

CVE-2019-3825 was published on February 6, 2019, by The Gnome Project. It affects the gdm software version 3.31.4 and allows attackers to bypass the lock screen when timed login is enabled.

Understanding CVE-2019-3825

This CVE involves a vulnerability in the gdm software that could be exploited by attackers to gain unauthorized access to a user's session.

What is CVE-2019-3825?

The flaw in gdm version 3.31.4 allows attackers to evade the lock screen by exploiting the timed login feature, granting them access to the logged-in user's session.

The Impact of CVE-2019-3825

The vulnerability poses a medium-severity risk with high impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2019-3825

CVE-2019-3825 involves the following technical aspects:

Vulnerability Description

The flaw in gdm version 3.31.4 enables attackers to bypass the lock screen by exploiting the timed login feature.

Affected Systems and Versions

Product: gdm
Vendor: The Gnome Project
Vulnerable Version: 3.31.4

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Physical
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Impact: High on confidentiality, integrity, and availability

Mitigation and Prevention

To address CVE-2019-3825, consider the following mitigation strategies:

Immediate Steps to Take

Disable the timed login feature in gdm settings.
Monitor for any unauthorized access attempts.

Long-Term Security Practices

Regularly update gdm to the latest version.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Apply patches provided by The Gnome Project to fix the vulnerability.