NVIDIA GPU Driver Kernel Mode Layer nvlddmkm.sys DxgDdiEscape access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in NVIDIA GPU Driver. This issue affects the function DxgDdiEscape in the library nvlddmkm.sys of the component Kernel Mode Layer. The manipulation leads to access control. This vulnerability is documented as CVE-2016-8821. The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in NVIDIA GPU Driver (Hardware Driver Software) (affected version unknown). It has been rated as critical. This issue affects the function DxgDdiEscape in the library nvlddmkm.sys of the component Kernel Mode Layer. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

All versions of NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer handler for DxgDdiEscape where improper access controls may allow a user to access arbitrary physical memory, leading to an escalation of privileges.

The bug was discovered 10/18/2016. The weakness was released 12/16/2016 (Website). It is possible to read the advisory at nvidia.custhelp.com. The identification of this vulnerability is CVE-2016-8821 since 10/18/2016. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 52 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96002 (NVIDIA Windows GPU Display Driver 340.x < 342.01 / 375.x < 376.33 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96002) and SecurityFocus (BID 95025†). Entries connected to this vulnerability are available at VDB-94572, VDB-94573, VDB-94574 and VDB-94575. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: 96002
Nessus Name: NVIDIA Windows GPU Display Driver 340.x < 342.01 / 375.x < 376.33 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2016 🔍
10/18/2016 +0 days 🔍
12/09/2016 +52 days 🔍
12/16/2016 +7 days 🔍
12/16/2016 +0 days 🔍
12/17/2016 +1 days 🔍
12/21/2016 +4 days 🔍
12/21/2016 +0 days 🔍
07/09/2019 +930 days 🔍

Sourcesinfo

Vendor: nvidia.com

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

CVE: CVE-2016-8821 (🔍)
GCVE (CVE): GCVE-0-2016-8821
GCVE (VulDB): GCVE-100-94571
SecurityFocus: 95025 - NVIDIA GPU Driver CVE-2016-8821 Local Privilege Escalation Vulnerability

See also: 🔍

Entryinfo

Created: 12/17/2016 19:22
Updated: 07/09/2019 16:45
Changes: 12/17/2016 19:22 (63), 07/09/2019 16:45 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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