SB2021120917 - Remote code execution in QNAP NAS Surveillance Station



SB2021120917 - Remote code execution in QNAP NAS Surveillance Station

Published: December 9, 2021

Security Bulletin ID SB2021120917
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stack-based buffer overflow (CVE-ID: CVE-2021-38687)

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

The vulnerability exists due to a boundary error when processing requests. A remote unauthenticated attacker can send specially crafted request to the system, trigger a stack-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.