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

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in NVIDIA Windows GPU Display Driver. It has been classified as critical. This affects an unknown function in the library nvlddmkm.sys of the component Kernel Mode Layer. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2018-6247. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in NVIDIA Windows GPU Display Driver (Hardware Driver Software) (unknown version) and classified as problematic. Affected by this vulnerability is an unknown code block in the library nvlddmkm.sys of the component Kernel Mode Layer. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA Windows GPU Display Driver contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape where a NULL pointer dereference may lead to denial of service or possible escalation of privileges.

The bug was discovered 03/28/2018. The weakness was shared 04/02/2018 (Website). It is possible to read the advisory at nvidia.custhelp.com. This vulnerability is known as CVE-2018-6247 since 01/25/2018. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108852 (Amazon Linux AMI : nvidia (ALAS-2018-991)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351222 (Amazon Linux Security Advisory for nvidia: ALAS-2018-991).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (108852). The entries VDB-115520, VDB-115521, VDB-115522 and VDB-115523 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.8
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 🔍

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Nessus ID: 108852
Nessus Name: Amazon Linux AMI : nvidia (ALAS-2018-991)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/25/2018 🔍
03/28/2018 +62 days 🔍
04/02/2018 +5 days 🔍
04/02/2018 +0 days 🔍
04/02/2018 +0 days 🔍
04/05/2018 +3 days 🔍
04/06/2018 +1 days 🔍
01/20/2020 +654 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-6247 (🔍)
GCVE (CVE): GCVE-0-2018-6247
GCVE (VulDB): GCVE-100-115519
See also: 🔍

Entryinfo

Created: 04/03/2018 00:14
Updated: 01/20/2020 09:01
Changes: 04/03/2018 00:14 (70), 01/20/2020 09:01 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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