CVE-2022-35739 : Exploit Details and Defense Strategies

A detailed overview of CVE-2022-35739, a vulnerability in PRTG Network Monitor through 22.2.77.2204 that allows for arbitrary content insertion into device icons.

Understanding CVE-2022-35739

This section delves into the nature of the CVE-2022-35739 vulnerability and its impact on the PRTG Network Monitor.

What is CVE-2022-35739?

The vulnerability in PRTG Network Monitor allows custom input for a device's icon, leading to arbitrary content insertion into the device's style tag. While modern browsers disable JavaScript support in style tags, this exploit could still load malicious content.

The Impact of CVE-2022-35739

Despite limitations like the prevention of certain characters and JavaScript support in style tags, the vulnerability opens the door to inserting malicious content into device icons within PRTG Network Monitor.

Technical Details of CVE-2022-35739

Explore the specifics of the CVE-2022-35739 vulnerability, including how it can be exploited and the systems it affects.

Vulnerability Description

The vulnerability enables attackers to insert arbitrary content into the style tag of a device's icon in PRTG Network Monitor, potentially leading to the loading of malicious content.

Affected Systems and Versions

No specific vendor, product, or version information is provided; however, the vulnerability impacts PRTG Network Monitor up to version 22.2.77.2204.

Exploitation Mechanism

Exploiting CVE-2022-35739 involves manipulating custom input for a device's icon to insert malicious content into the style tag, exploiting the way the device page loads to execute the attack.

Mitigation and Prevention

Learn how to address CVE-2022-35739 to enhance the security of PRTG Network Monitor installations.

Immediate Steps to Take

Implement immediate actions to mitigate the risks posed by CVE-2022-35739 and prevent potential exploits in PRTG Network Monitor.

Long-Term Security Practices

Establish long-term security practices to safeguard against similar vulnerabilities and enhance the overall security posture of PRTG Network Monitor installations.

Patching and Updates

Stay informed about patches and updates released by PRTG Network Monitor to address CVE-2022-35739 and enhance the security of the monitoring solution.