CVE-2020-10237 : Vulnerability Insights and Analysis

Froxlor through 0.10.15 has a vulnerability where sensitive data, including passwords, is written to files in /tmp without proper permissions, potentially exposing them to local attackers.

Understanding CVE-2020-10237

What is CVE-2020-10237?

This CVE identifies a security issue in Froxlor versions up to 0.10.15, where configuration parameters, including passwords, are stored in files in /tmp before proper permissions are set, allowing local attackers to potentially access sensitive information.

The Impact of CVE-2020-10237

The vulnerability could lead to the disclosure of sensitive data to unauthorized local users, compromising the security and confidentiality of the affected system.

Technical Details of CVE-2020-10237

Vulnerability Description

The installer of Froxlor writes configuration parameters, including passwords, to files in /tmp before setting proper permissions, potentially exposing sensitive data to local attackers.

Affected Systems and Versions

Product: Froxlor
Versions affected: Up to 0.10.15

Exploitation Mechanism

The issue arises due to the _createUserdataConf function in install/lib/class.FroxlorInstall.php, which writes sensitive data to files in /tmp without immediate proper permissions.

Mitigation and Prevention

Immediate Steps to Take

Avoid storing sensitive data in temporary directories like /tmp.
Regularly monitor and restrict access to sensitive files.
Implement file permission controls to limit unauthorized access.

Long-Term Security Practices

Encrypt sensitive data before storage.
Conduct regular security audits and penetration testing.
Educate users on secure data handling practices.

Patching and Updates

Update Froxlor to the latest version to patch the vulnerability and ensure secure data handling.