NULL pointer dereference in SHIELD TV - CVE-2021-34405

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Main Vulnerability Database Vulnerabilities #VU59558

NULL pointer dereference in SHIELD TV - CVE-2021-34405

Published: January 12, 2022


Vulnerability identifier: #VU59558
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-34405
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: nVidia
Affected software:
SHIELD TV

Detailed vulnerability description

The vulnerability allows a malicious application to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in in TrustZone’s TEE_Malloc function. A malicious application can pass specially crafted data to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2021-34405

Install updates from vendor's website.

Sources