SB2021040201 - Multiple vulnerabilities in QNAP QTS 

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Main Vulnerability Database SB2021040201

SB2021040201 - Multiple vulnerabilities in QNAP QTS

Published: April 2, 2021 Updated: July 28, 2022

Security Bulletin ID SB2021040201
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2020-2509)

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

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can send specially crafted HTTP request to port 8080/TCP and execute arbitrary OS commands on the target system.

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


2) Input validation error (CVE-ID: CVE-2020-9490)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing Cache-Digest header in HTTP/2 request. A remote attacker can pass specially crafted HTTP/2 request to the Apache HTTP Server, trigger the server to send the HTTP/2 PUSH and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References