#VU28777 Command Injection in QNAP QTS - CVE-2018-19949

 

#VU28777 Command Injection in QNAP QTS - CVE-2018-19949

Published: June 8, 2020 / Updated: May 24, 2022


Vulnerability identifier: #VU28777
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2018-19949
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
QNAP QTS
Software vendor:
QNAP Systems, Inc.

Description

The vulnerability allows a remote user to execute arbitrary commands on the system.

The vulnerability exists due to insufficient input validation in username on proper authentication after account creation. A remote administrator can create users with usernames containing bash syntax that evaluates code and execute arbitrary commands on the system.


Remediation

Install updates from vendor's website.

External links