CVE-2019-7339 : Exploit Details and Defense Strategies

ZoneMinder versions up to 1.32.3 are vulnerable to Cross Site Scripting (XSS) attacks due to improper filtration of the 'level' parameter in the view log page (log.php).

Understanding CVE-2019-7339

ZoneMinder is susceptible to XSS attacks, allowing malicious actors to execute HTML or JavaScript code.

What is CVE-2019-7339?

ZoneMinder versions up to 1.32.3 are affected by a Cross Site Scripting (XSS) vulnerability that enables attackers to run malicious code through the 'level' parameter in the log.php page.

The Impact of CVE-2019-7339

This vulnerability allows attackers to execute arbitrary HTML or JavaScript code, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-7339

ZoneMinder's vulnerability to XSS attacks can have severe consequences if exploited.

Vulnerability Description

The 'level' parameter in the view log page (log.php) is not properly filtered, enabling attackers to inject and execute malicious code.

Affected Systems and Versions

ZoneMinder versions up to 1.32.3

Exploitation Mechanism

Attackers exploit the lack of proper filtration in the 'level' parameter to inject and execute HTML or JavaScript code.

Mitigation and Prevention

Protecting systems from CVE-2019-7339 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update ZoneMinder to the latest version that includes a patch for the XSS vulnerability.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

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

Patching and Updates

Apply security patches promptly to address known vulnerabilities and protect against potential exploits.