CVE-2019-13274 : Exploit Details and Defense Strategies

An XSS vulnerability has been detected in Xymon up to version 4.3.28. This vulnerability is present in the csvinfo CGI script because the db parameter is not adequately filtered.

Understanding CVE-2019-13274

In Xymon through version 4.3.28, an XSS vulnerability exists in the csvinfo CGI script due to insufficient filtering of the db parameter.

What is CVE-2019-13274?

This CVE identifies a cross-site scripting (XSS) vulnerability in Xymon versions up to 4.3.28, specifically within the csvinfo CGI script.

The Impact of CVE-2019-13274

The vulnerability allows attackers to execute malicious scripts in the context of a user's browser, potentially leading to various attacks such as data theft, session hijacking, or defacement of web pages.

Technical Details of CVE-2019-13274

Xymon through version 4.3.28 is affected by an XSS vulnerability due to inadequate filtering of the db parameter.

Vulnerability Description

The vulnerability stems from the lack of proper input validation in the csvinfo CGI script, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Xymon versions up to 4.3.28

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input containing scripts that, when executed, can compromise the security of the system or user data.

Mitigation and Prevention

To address CVE-2019-13274, follow these steps:

Immediate Steps to Take

Apply the patch provided by the vendor to fix the XSS vulnerability.
Regularly monitor for security updates and apply them promptly.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent XSS attacks.
Educate developers on secure coding practices to mitigate similar vulnerabilities.

Patching and Updates

Update Xymon to version 4.3.29 or later to ensure the vulnerability is patched and secure against XSS attacks.