CVE-2019-8426 Explained : Impact and Mitigation
Learn about CVE-2019-8426, a cross-site scripting (XSS) vulnerability in ZoneMinder before 1.32.3. Find out the impact, affected systems, exploitation method, and mitigation steps.
ZoneMinder before version 1.32.3 is affected by a cross-site scripting (XSS) vulnerability in the file skins/classic/views/controlcap.php. The vulnerability exists in the newControl array, particularly in the newControl[MinTiltRange] parameter.
Understanding CVE-2019-8426
This CVE identifies a specific XSS vulnerability in ZoneMinder before version 1.32.3.
What is CVE-2019-8426?
The CVE-2019-8426 vulnerability is a cross-site scripting (XSS) issue found in the file skins/classic/views/controlcap.php in ZoneMinder before version 1.32.3. It is related to the newControl array, specifically affecting the newControl[MinTiltRange] parameter.
The Impact of CVE-2019-8426
This vulnerability could allow an attacker to execute malicious scripts in the context of an unsuspecting user's browser, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2019-8426
ZoneMinder before version 1.32.3 is susceptible to the following:
Vulnerability Description
The XSS vulnerability in ZoneMinder before version 1.32.3 is due to inadequate input validation in the newControl array, specifically in the newControl[MinTiltRange] parameter.
Affected Systems and Versions
- Product: ZoneMinder
- Vendor: N/A
- Versions Affected: Before 1.32.3
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into the newControl[MinTiltRange] parameter, which may get executed when processed by the application.
Mitigation and Prevention
To address CVE-2019-8426, consider the following steps:
Immediate Steps to Take
- Update ZoneMinder to version 1.32.3 or later to mitigate the XSS vulnerability.
- Implement input validation mechanisms to sanitize user inputs and prevent script injection.
Long-Term Security Practices
- Regularly monitor and audit your web application for security vulnerabilities.
- Educate developers on secure coding practices to prevent XSS and other common web application security issues.
Patching and Updates
- Stay informed about security updates and patches released by ZoneMinder and promptly apply them to ensure the security of your system.