CVE-2017-5263 : Security Advisory and Response

Cambium Networks cnPilot firmware versions 4.3.2-R4 and earlier are vulnerable to CSRF attacks due to the lack of necessary controls. This CVE entry provides insights into the impact, technical details, and mitigation strategies.

Understanding CVE-2017-5263

This CVE entry highlights a security vulnerability in Cambium Networks cnPilot firmware versions 4.3.2-R4 and prior, exposing systems to Cross-Site Request Forgery (CSRF) attacks.

What is CVE-2017-5263?

CVE-2017-5263 refers to the absence of CSRF controls in Cambium Networks cnPilot firmware versions 4.3.2-R4 and earlier, making them susceptible to CSRF attacks. These attacks exploit the lack of randomized tokens for session uniqueness, particularly affecting functions with destructive capabilities.

The Impact of CVE-2017-5263

The vulnerability allows malicious actors to perform CSRF attacks, potentially leading to unauthorized actions being executed on the affected systems. Without proper controls, sensitive operations could be manipulated by attackers.

Technical Details of CVE-2017-5263

This section delves into the specific technical aspects of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

Versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware lack essential CSRF controls, leaving systems open to CSRF attacks. The absence of randomized tokens increases the risk of unauthorized actions.

Affected Systems and Versions

Product: cnPilot
Vendor: Cambium Networks
Versions Affected: 4.3.2-R4 and prior

Exploitation Mechanism

CSRF attacks exploit the absence of randomized tokens in the firmware, allowing attackers to forge requests that execute unauthorized actions on behalf of authenticated users.

Mitigation and Prevention

In response to CVE-2017-5263, it is crucial to implement immediate steps and adopt long-term security practices to mitigate the risk effectively.

Immediate Steps to Take

Update the firmware to a patched version that includes CSRF controls.
Monitor and restrict access to sensitive functions to prevent unauthorized actions.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users and administrators about CSRF risks and best practices for secure web application usage.

Patching and Updates

Stay informed about security advisories from Cambium Networks and apply patches promptly to address known vulnerabilities.