PT-2019-4366 · Nvidia · Nvidia Tegra Bootloader+1

Published 2019-08-06 · Updated 2020-08-24 · CVE-2019-5679

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions NVIDIA Shield TV Experience versions prior to v8.0 NVIDIA Tegra bootloader versions (affected versions not specified)

Description The issue is related to errors in privilege management in the nvtboot component of the NVIDIA Tegra bootloader in the NVIDIA Shield TV Experience software. Exploitation of this issue may allow an attacker to cause a denial of service, execute arbitrary code, or escalate their privileges. The vulnerability is also associated with improper authentication of the Trusted OS image, which may lead to code execution, denial of service, escalation of privileges, or information disclosure.

Recommendations For NVIDIA Shield TV Experience versions prior to v8.0, update to version v8.0 or later to resolve the issue. For NVIDIA Tegra bootloader, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

CWE-264

Related Identifiers

BDU:2020-00087

CVE-2019-5679

Affected Products

Nvidia Shield Tv Experience

Nvidia Tegra Bootloader

References · 5

• https://bdu.fstec.ru/vul/2020-00087 · Security Note
• https://nvidia.custhelp.com/app/answers/detail/a_id/4804 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-5679 · Security Note
• https://osv.dev/vulnerability/CVE-2019-5679 · Vendor Advisory
• https://cxsecurity.com/cveshow/CVE-2019-5679 · Note