SB2022071501 - Heap-based buffer overflow in U-Boot



SB2022071501 - Heap-based buffer overflow in U-Boot

Published: July 15, 2022

Security Bulletin ID SB2022071501
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2022-33967)

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerability exists due to a defect in the metadata reading process. An attacker with physical access can use a specially crafted squashfs image, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.