CVE-2019-7340 : What You Need to Know

ZoneMinder up to version 1.32.3 is affected by a Cross-Site Scripting (XSS) vulnerability that allows attackers to execute HTML or JavaScript code through a susceptible parameter value in the view filter.

Understanding CVE-2019-7340

What is CVE-2019-7340?

This CVE identifies a Cross-Site Scripting (XSS) vulnerability in ZoneMinder versions up to 1.32.3, enabling malicious actors to run arbitrary code by exploiting a specific parameter in the view filter.

The Impact of CVE-2019-7340

The vulnerability arises from inadequate input validation, allowing attackers to inject and execute malicious scripts within the application, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-7340

Vulnerability Description

The XSS flaw in ZoneMinder up to version 1.32.3 permits attackers to insert and execute HTML or JavaScript code via the 'filter[Query][terms][0][val]' parameter in filter.php due to insufficient input filtering.

Affected Systems and Versions

Product: ZoneMinder
Vendor: N/A
Versions: Up to 1.32.3

Exploitation Mechanism

The vulnerability can be exploited by manipulating the vulnerable parameter 'filter[Query][terms][0][val]' in the view filter (filter.php) to inject malicious code, potentially compromising the application's security.

Mitigation and Prevention

Immediate Steps to Take

Update ZoneMinder to the latest patched version to mitigate the XSS vulnerability.
Implement strict input validation and output encoding to prevent script injection attacks.

Long-Term Security Practices

Regularly monitor and audit web application code for security vulnerabilities.
Educate developers on secure coding practices to prevent XSS and other injection attacks.

Patching and Updates

Apply security patches promptly and consistently to address known vulnerabilities and enhance the overall security posture of the application.