SB2019072206 - Privilege escalation in NVIDIA Jetson TX1 L4T R32



SB2019072206 - Privilege escalation in NVIDIA Jetson TX1 L4T R32

Published: July 22, 2019

Security Bulletin ID SB2019072206
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2019-5680)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to escalate privileges on the targeted system.

The vulnerability exists due to insufficient validation of user-supplied input when loading the "nvtboot-cpu" image in "nvtboot" in the Tegra bootloader. A local authenticated attacker can create a specially crafted application and escalate privileges on the target system.


Remediation

Install update from vendor's website.