GDM up to 3.31.3 Timed Login improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in GDM up to 3.31.3. The affected element is an unknown function of the component Timed Login. The manipulation results in improper authentication. This vulnerability is known as CVE-2019-3825. An attack on the physical device is feasible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in GDM up to 3.31.3. Affected is an unknown function of the component Timed Login. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 02/08/2019. The weakness was published 02/06/2019 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2019-3825 since 01/03/2019. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 172143 (OpenSUSE Security Update for gdm (openSUSE-SU-2019:0310-1)).

Upgrading to version 3.31.4 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
NVD Vector: 🔍

CNA Base Score: 6.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GDM 3.31.4

Timelineinfo

01/03/2019 🔍
02/06/2019 +34 days 🔍
02/07/2019 +1 days 🔍
02/08/2019 +1 days 🔍
07/06/2023 +1609 days 🔍

Sourcesinfo

Advisory: USN-3892-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-3825 (🔍)
GCVE (CVE): GCVE-0-2019-3825
GCVE (VulDB): GCVE-100-130620

Entryinfo

Created: 02/07/2019 09:32
Updated: 07/06/2023 15:56
Changes: 02/07/2019 09:32 (59), 05/08/2020 21:27 (2), 07/06/2023 15:49 (4), 07/06/2023 15:56 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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