Security Bulletin: NVIDIA SHIELD TV Software Security Updates for Multiple Vulnerabilities

NVIDIA SHIELD TV vulnerabilities may lead to code execution, denial of service, escalation of privileges, or information disclosure Go to NVIDIA Product Security.

Vulnerability Details

This section summarizes the potential vulnerabilities. Descriptions use CWE™ and risk assessments follow the CVSS V3 standard.

CVE-2017-6290

NVIDIA Tegra TrustZone kernel contains a potential vulnerability which could enable a local malicious application to execute arbitrary code within the context of a privileged process.

CVSS V3 Base Score: 7.8 CVSS V3 Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2017-6294

NVIDIA TLK TrustZone OS contains a potential vulnerability in the logging driver where the software writes data after the end or before the beginning of the intended buffer, which may lead to arbitrary code execution, denial of service, or escalation of privileges.

CVSS V3 Base Score: 8.1 CVSS V3 Vector: AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVE-2017-6292

NVIDIA TLK TrustZone OS contains a potential vulnerability in the TA-to-TA communication handler where the software performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value, which may lead to code execution or denial of service.

CVSS V3 Base Score: 5.7 CVSS V3 Vector: AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

SHIELD TV includes the latest AndroidTM security updates, and has applied patches up to the Android Security Patch level 2018-05-05. For more information about what is included in Android security patch levels, refer to the Android Security Bulletins.

NVIDIA’s risk assessment is based on an average of risk across a diverse set of installed systems and may not represent the true risk of your local installation. NVIDIA recommends consulting a security or IT professional to evaluate the risk of your specific configuration. NVIDIA doesn’t know of any exploits to these issues at this time.

Affected Software

The following table lists supported software and their affected versions. All SHIELD TV versions prior to the versions listed in the Affected Versions column are also impacted by the issues in this bulletin.

List of CVEs	Software Product	Operating System	Affected Versions
CVE-2017-6290 CVE-2017-6292 CVE-2017-6294	SHIELD TV	Android	SHIELD Experience 6.3 and earlier

Software Security Updates

The following table lists the software version containing security updates for the issues described in this bulletin. If you are using an unsupported software version or an earlier SHIELD TV version that is no longer supported, upgrade to the updated supported version listed.

Support may have expired for certain NVIDIA SHIELD TV products. Contact NVIDIA Support with any questions.

Updates for SHIELD TV are available from Settings>About>System update.

SHIELD TV Product Series	Android Security Patch Level	Operating System	Updated Version
All	2018-05-05	Android	SHIELD Experience Upgrade 7.0

Mitigations

None.

Acknowledgements

None.