NVIDIA Shield TV Experience up to 7.x Tegra Bootloader access control

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in NVIDIA Shield TV Experience up to 7.x and classified as critical. This issue affects some unknown processing of the component Tegra Bootloader. The manipulation leads to access control. This vulnerability is listed as CVE-2019-5679. The attack must be carried out locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in NVIDIA Shield TV Experience up to 7.x. This issue affects an unknown part of the component Tegra Bootloader. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA Shield TV Experience prior to v8.0, NVIDIA Tegra bootloader contains a vulnerability in nvtboot where the Trusted OS image is improperly authenticated, which may lead to code execution, denial of service, escalation of privileges, and information disclosure, code execution, denial of service, or escalation of privileges

The weakness was presented 08/06/2019 (Website). It is possible to read the advisory at nvidia.custhelp.com. The identification of this vulnerability is CVE-2019-5679 since 01/07/2019. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 8.0 eliminates this vulnerability.

See VDB-109410, VDB-130367, VDB-130432 and VDB-138386 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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-264
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Shield TV Experience 8.0

Timelineinfo

01/07/2019 🔍
08/06/2019 +211 days 🔍
08/07/2019 +1 days 🔍
07/22/2020 +350 days 🔍

Sourcesinfo

Vendor: nvidia.com

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

CVE: CVE-2019-5679 (🔍)
GCVE (CVE): GCVE-0-2019-5679
GCVE (VulDB): GCVE-100-139583
See also: 🔍

Entryinfo

Created: 08/07/2019 09:32
Updated: 07/22/2020 09:29
Changes: 08/07/2019 09:32 (58), 07/22/2020 09:29 (1)
Complete: 🔍
Cache ID: 216::103

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

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