CVE-2018-6824 : Exploit Details and Defense Strategies

Cozy version 2 has a cross-site scripting (XSS) vulnerability that allows remote attackers to gain administrative access by injecting JavaScript code into the url parameter of the /api/proxy URI.

Understanding CVE-2018-6824

This CVE entry describes a specific vulnerability in Cozy version 2 that can lead to an account takeover by exploiting a cross-site scripting issue.

What is CVE-2018-6824?

The second version of Cozy has a cross-site scripting (XSS) vulnerability that enables remote attackers to gain administrative access by injecting JavaScript code into the url parameter of the /api/proxy URI. This can be achieved by making an XMLHttpRequest call with a 'email:"attacker@example.com"' request, followed by a password reset.

The Impact of CVE-2018-6824

This vulnerability can result in unauthorized access to administrative privileges, potentially leading to data breaches, unauthorized actions, and compromise of the Cozy system.

Technical Details of CVE-2018-6824

Cozy version 2 is affected by a critical XSS vulnerability that can be exploited by attackers to compromise the system.

Vulnerability Description

The XSS vulnerability in Cozy version 2 allows remote attackers to inject malicious JavaScript code into the url parameter of the /api/proxy URI, leading to potential account takeover scenarios.

Affected Systems and Versions

Product: Cozy version 2
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers inject JavaScript code into the url parameter of the /api/proxy URI
Utilize an XMLHttpRequest call with a specific request to trigger the vulnerability
Follow up with a password reset to gain administrative access

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2018-6824.

Immediate Steps to Take

Disable or restrict access to the /api/proxy URI
Implement input validation to sanitize user inputs
Regularly monitor and audit system logs for suspicious activities

Long-Term Security Practices

Conduct regular security assessments and penetration testing
Educate users and administrators on secure coding practices
Stay informed about security updates and patches for Cozy
Implement a robust incident response plan in case of security breaches
Consider implementing a web application firewall (WAF) to mitigate XSS attacks

Patching and Updates

Apply security patches provided by Cozy promptly
Stay updated with security advisories from Cozy and security researchers
Monitor for any new developments or exploits related to this vulnerability