NVIDIA Windows GPU Display Driver DirectX11 User Mode Driver nvwgf2um/x.dll Shader memory corruption

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-$5k0.00

Summaryinfo

A vulnerability was found in NVIDIA Windows GPU Display Driver. It has been declared as critical. This affects an unknown part in the library nvwgf2um/x.dll of the component DirectX11 User Mode Driver. The manipulation as part of Shader results in memory corruption. This vulnerability is reported as CVE-2020-5981. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in NVIDIA Windows GPU Display Driver (Hardware Driver Software) (version now known). Affected is some unknown processing in the library nvwgf2um/x.dll of the component DirectX11 User Mode Driver. The manipulation as part of a Shader leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

NVIDIA Windows GPU Display Driver, all versions, contains a vulnerability in the DirectX11 user mode driver (nvwgf2um/x.dll), in which a specially crafted shader can cause an out of bounds access, which may lead to denial of service or code execution.

The weakness was disclosed 10/02/2020 (Website). The advisory is shared for download at nvidia.custhelp.com. This vulnerability is traded as CVE-2020-5981 since 01/07/2020. The attack needs to be approached locally. Required for exploitation is a 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-162250, VDB-162251, VDB-162253 and VDB-162254 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2020 🔍
10/02/2020 +269 days 🔍
10/03/2020 +1 days 🔍
11/16/2020 +44 days 🔍

Sourcesinfo

Vendor: nvidia.com

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

CVE: CVE-2020-5981 (🔍)
GCVE (CVE): GCVE-0-2020-5981
GCVE (VulDB): GCVE-100-162252
See also: 🔍

Entryinfo

Created: 10/03/2020 06:38
Updated: 11/16/2020 11:15
Changes: 10/03/2020 06:38 (39), 10/03/2020 06:43 (4), 11/15/2020 10:18 (4), 11/16/2020 11:09 (1), 11/16/2020 11:15 (14)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!