CVE-2020-25385 : What You Need to Know

Nagios Log Server 2.1.7 contains a cross-site scripting (XSS) vulnerability that can be exploited through a specific parameter, potentially impacting users who interact with malicious links or web pages.

Understanding CVE-2020-25385

This CVE identifies a security issue in Nagios Log Server 2.1.7.

What is CVE-2020-25385?

The vulnerability in Nagios Log Server 2.1.7 allows for cross-site scripting attacks via a particular parameter, posing a risk to users who access crafted links or third-party web content.

The Impact of CVE-2020-25385

The XSS vulnerability in Nagios Log Server 2.1.7 could lead to unauthorized script execution in users' browsers, potentially compromising sensitive data or facilitating further attacks.

Technical Details of CVE-2020-25385

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw in Nagios Log Server 2.1.7 resides in the /nagioslogserver/configure/create_snapshot endpoint, specifically through the snapshot_name parameter, enabling malicious script injection.

Affected Systems and Versions

Affected Version: 2.1.7
Product: Nagios Log Server
Vendor: N/A

Exploitation Mechanism

The vulnerability can be exploited by enticing users to click on specially crafted links or visit compromised web pages, triggering the execution of malicious scripts.

Mitigation and Prevention

Protecting systems from CVE-2020-25385 requires immediate actions and long-term security measures.

Immediate Steps to Take

Implement web application firewalls to filter and block malicious traffic containing XSS payloads.
Regularly monitor and audit web application logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users on safe browsing practices and the risks associated with clicking on unverified links.

Patching and Updates

Apply patches or updates provided by Nagios to address the XSS vulnerability in version 2.1.7 of Nagios Log Server.