CVE-2017-15008 : Security Advisory and Response

PRTG Network Monitor version 17.3.33.2830 is vulnerable to a stored Cross-Site Scripting (XSS) attack due to improper error handling in sensor titles.

Understanding CVE-2017-15008

This CVE identifies a specific vulnerability in PRTG Network Monitor that can be exploited through a stored XSS attack.

What is CVE-2017-15008?

The vulnerability in PRTG Network Monitor version 17.3.33.2830 allows attackers to inject malicious scripts into sensor titles, potentially leading to unauthorized access or data theft.

The Impact of CVE-2017-15008

The vulnerability poses a risk of sensitive information exposure, unauthorized access, and potential data manipulation within the affected system.

Technical Details of CVE-2017-15008

PRTG Network Monitor's vulnerability to stored Cross-Site Scripting.

Vulnerability Description

The issue arises from the mishandling of errors when a %00 character is present in the SRC attribute of an IMG element, enabling attackers to execute malicious scripts.

Affected Systems and Versions

Product: PRTG Network Monitor
Version: 17.3.33.2830

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into sensor titles, taking advantage of the error handling flaw in the IMG element's SRC attribute.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-15008 vulnerability.

Immediate Steps to Take

Update PRTG Network Monitor to a patched version that addresses the XSS vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injections.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities.
Educate developers and administrators on secure coding practices to prevent XSS attacks.

Patching and Updates

Apply security patches and updates provided by the vendor promptly to mitigate the risk of XSS attacks.