NVIDIA GPU Display Driver Kernel Mode Layer null pointer dereference

HistoryDiffrelatejsonxmlCTI

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in NVIDIA GPU Display Driver. It has been rated as critical. Affected is an unknown function of the component Kernel Mode Layer. Performing a manipulation results in null pointer dereference. This vulnerability is identified as CVE-2018-6249. The attack is only possible with local access. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in NVIDIA GPU Display Driver (Hardware Driver Software) (version unknown). It has been classified as problematic. This affects an unknown function 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. The summary by CVE is:

NVIDIA GPU Display Driver contains a vulnerability in kernel mode layer handler where a NULL pointer dereference may lead to denial of service or potential escalation of privileges.

The bug was discovered 03/28/2018. The weakness was released 04/02/2018 (Website). The advisory is shared at nvidia.custhelp.com. This vulnerability is uniquely identified as CVE-2018-6249. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

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). Entries connected to this vulnerability are available at VDB-115519, VDB-115520, VDB-115522 and VDB-115523. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Hardware Driver Software

Vendor

NVIDIA

Name

GPU Display Driver

License

commercial

Website

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

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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
Today	Unlock	Unlock	Unlock	Unlock

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 🔍
02/26/2023 +1787 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: USN-3662-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-6249 (🔍)
GCVE (CVE): GCVE-0-2018-6249
GCVE (VulDB): GCVE-100-115521
See also: 🔍

Entryinfo

Created: 04/03/2018 00:15
Updated: 02/26/2023 09:25
Changes: 04/03/2018 00:15 (71), 01/20/2020 09:13 (4), 02/08/2021 09:24 (3), 02/26/2023 09:25 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.