NvidiaNVIDIA:5148Security Bulletin: NVIDIA SHIELD TV - January 2021
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
29.5%
NVIDIA has released a software security update for NVIDIA SHIELD® TV. This update addresses issues that may lead to denial of service, escalation of privileges, or data loss. To protect your system, download and install this software update through the update notification that will appear on the Home Screen or by going to Settings>About>System update. Go to NVIDIA Product Security.
Details
This section summarizes the potential impact that this security update addresses. Descriptions use CWE™, and base scores and vectors use CVSS V3.1 standards.
| CVE IDs | Description | Base Score | Vector |
|---|---|---|---|
| CVE‑2021‑1068 | NVIDIA SHIELD TV contains a vulnerability in the NVDEC component, in which an attacker can read from or write to a memory location that is outside the intended boundary of the buffer, which may lead to denial of service or escalation of privileges. | 7.8 | AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CVE‑2021‑1069 | NVIDIA SHIELD TV contains a vulnerability in the NVHost function, which may lead to abnormal reboot due to a null pointer reference, causing data loss. |
6.1 | AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
| CVE‑2021‑1067 | NVIDIA SHIELD TV contains a vulnerability in the implementation of the RPMB command status, in which an attacker can write to the Write Protect Configuration Block, which may lead to denial of service or escalation of privileges. | 5.7 | AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L |
The NVIDIA risk assessment is based on an average of risk across a diverse set of installed systems and may not represent the true risk to your local installation. NVIDIA recommends consulting a security or IT professional to evaluate the risk to your specific configuration.
Security Updates
The following table lists the NVIDIA software products affected, versions affected, and the updated version available that includes this security update. Download the updates through Settings>About>System update.
| Software Product | Operating System | Affected Versions | Updated Version |
|---|---|---|---|
| SHIELD TV | Android-P | Shield Experience prior to 8.2.2 | Shield Experience Upgrade 8.2.2 |
Note:
-
SHIELD TV upgrade version 8.2.2 includes the Android™ Security Patch level 2020-12-05. For more information about what is included in Android security patch levels, refer to the Android Security Bulletins.
-
Earlier releases of this product are also affected. If you are using an earlier release, upgrade to the latest release.
Mitigations
None. See Security Updates for the version to install.
Acknowledgements
NVIDIA thanks following individuals for reporting the issues.
- CVE‑2021‑1067 - Rotem Sela and Brian Mastenbrook of Western Digital
- CVE‑2021‑1068 - NVIDIA Product Security Team
- CVE‑2021‑1069 - Billy Laws
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
29.5%