CVE-2018-19942 : Vulnerability Insights and Analysis

A cross-site scripting (XSS) vulnerability in earlier versions of File Station allows remote attackers to inject malicious code. Updates have been released for affected versions.

Understanding CVE-2018-19942

What is CVE-2018-19942?

CVE-2018-19942 is a cross-site scripting (XSS) vulnerability affecting earlier versions of File Station by QNAP Systems Inc.

The Impact of CVE-2018-19942

This vulnerability enables remote attackers to inject and execute malicious scripts on the target system, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2018-19942

Vulnerability Description

The vulnerability arises from improper input validation in File Station, allowing attackers to inject malicious scripts.

Affected Systems and Versions

QTS versions less than 4.5.2.1566 build 20210202
QTS versions less than 4.5.1.1456 build 20201015
QTS versions less than 4.3.6.1446 build 20200929
QTS versions less than 4.3.4.1463 build 20201006
QTS versions less than 4.3.3.1432 build 20201006
QTS versions less than 4.2.6 build 20210327
QuTS hero versions less than h4.5.1.1472 build 20201031
QuTScloud versions less than c4.5.4.1601 build 20210309
QuTScloud versions less than c4.5.3.1454 build 20201013

Exploitation Mechanism

Attackers exploit the vulnerability by injecting malicious scripts through the File Station interface.

Mitigation and Prevention

Immediate Steps to Take

Update QTS to versions 4.5.2.1566 build 20210202 or later
Update QuTS hero to version h4.5.1.1472 build 20201031 or later
Update QuTScloud to versions c4.5.4.1601 build 20210309 or later

Long-Term Security Practices

Regularly monitor and apply security patches
Conduct security audits to identify and mitigate vulnerabilities

Patching and Updates

Ensure all QTS, QuTS hero, and QuTScloud systems are updated to the latest versions to mitigate the XSS vulnerability.