CVE-2020-8438 : Security Advisory and Response

Ruckus ZoneFlex R500 104.0.0.0.1347 devices are vulnerable to an authenticated attacker executing arbitrary OS commands via a hidden form.

Understanding CVE-2020-8438

This CVE involves a security vulnerability in Ruckus ZoneFlex R500 104.0.0.0.1347 devices that allows attackers to execute unauthorized OS commands.

What is CVE-2020-8438?

The vulnerability in Ruckus ZoneFlex R500 104.0.0.0.1347 devices enables authenticated attackers to run arbitrary OS commands through a concealed form.

The Impact of CVE-2020-8438

The exploitation of this vulnerability can lead to unauthorized execution of commands on the affected devices, potentially compromising their security and integrity.

Technical Details of CVE-2020-8438

Ruckus ZoneFlex R500 104.0.0.0.1347 devices are susceptible to the following:

Vulnerability Description

An authenticated attacker can execute arbitrary OS commands via the hidden /forms/nslookupHandler form, as demonstrated by the nslookuptarget=|cat${IFS} substring.

Affected Systems and Versions

Product: Ruckus ZoneFlex R500 104.0.0.0.1347
Vendor: Ruckus
Version: Not applicable

Exploitation Mechanism

The attacker can exploit the vulnerability by injecting commands through the hidden form, gaining unauthorized access to execute OS commands.

Mitigation and Prevention

To address CVE-2020-8438, consider the following steps:

Immediate Steps to Take

Disable access to the vulnerable form or service.
Implement strong authentication mechanisms to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch the affected devices to mitigate known vulnerabilities.
Conduct security audits and assessments to identify and address potential weaknesses.

Patching and Updates

Apply security patches provided by Ruckus to fix the vulnerability and enhance device security.