VDB-131244 · CVE-2019-5668 · GCVE-0-2019-5668

NVIDIA Windows GPU Display Driver Kernel Mode Layer nvlddmkm.sys null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in NVIDIA Windows GPU Display Driver. This vulnerability affects unknown code in the library nvlddmkm.sys of the component Kernel Mode Layer. The manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2019-5668. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability was found in NVIDIA Windows GPU Display Driver (Hardware Driver Software) (affected version unknown). It has been classified as critical. Affected is an unknown functionality in the library nvlddmkm.sys of the component Kernel Mode Layer. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

NVIDIA Windows GPU Display Driver contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiSubmitCommandVirtual in which the application dereferences a pointer that it expects to be valid, but is NULL, which may lead to denial of service or escalation of privileges.

The bug was discovered 02/28/2019. The weakness was shared 02/27/2019 (Website). The advisory is shared for download at nvidia.custhelp.com. This vulnerability is traded as CVE-2019-5668 since 01/07/2019. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-126786, VDB-131241, VDB-131242 and VDB-131243 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Hardware Driver Software

Vendor

NVIDIA

Name

Windows GPU Display Driver

License

commercial

Website

Vendor: https://www.nvidia.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2019 🔍
02/27/2019 +51 days 🔍
02/28/2019 +1 days 🔍
02/28/2019 +0 days 🔍
05/13/2020 +440 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-5668 (🔍)
GCVE (CVE): GCVE-0-2019-5668
GCVE (VulDB): GCVE-100-131244
See also: 🔍

Entryinfo

Created: 02/28/2019 06:58
Updated: 05/13/2020 09:36
Changes: 02/28/2019 06:58 (57), 05/13/2020 09:36 (2)
Complete: 🔍
Cache ID: 216::103