CVE-2020-10236 Explained : Impact and Mitigation
Discover the security impact of CVE-2020-10236 in Froxlor before 0.10.14, allowing local attackers to cause DoS attacks or disclose sensitive information. Learn how to mitigate this vulnerability.
Froxlor before 0.10.14 creates files with static names in /tmp during installation, potentially leading to DoS attacks or information disclosure.
Understanding CVE-2020-10236
An issue in Froxlor before version 0.10.14 allows local attackers to exploit the installation process, causing denial of service or revealing sensitive information.
What is CVE-2020-10236?
The vulnerability in Froxlor before 0.10.14 arises from the creation of files with fixed names in the /tmp directory when the installation path lacks write permissions. This flaw enables local attackers to disrupt services or extract data from configuration files.
The Impact of CVE-2020-10236
The security issue in Froxlor could result in denial of service attacks or unauthorized access to confidential information stored in configuration files due to improper file handling during installation.
Technical Details of CVE-2020-10236
Froxlor before 0.10.14 is susceptible to a vulnerability that allows local attackers to exploit the installation process.
Vulnerability Description
The flaw in Froxlor versions prior to 0.10.14 involves the creation of files with predictable names in the /tmp directory during installation, which can be leveraged by attackers for DoS attacks or information disclosure.
Affected Systems and Versions
- Product: Froxlor
- Vendor: N/A
- Versions: All versions before 0.10.14
Exploitation Mechanism
The vulnerability stems from the _createUserdataConf function in install/lib/class.FroxlorInstall.php, which incorrectly handles file creation in the /tmp directory, allowing attackers to disrupt services or access sensitive data.
Mitigation and Prevention
To address CVE-2020-10236 and enhance security:
Immediate Steps to Take
- Upgrade Froxlor to version 0.10.14 or later to mitigate the vulnerability.
- Ensure proper directory permissions during installation to prevent unauthorized file creation.
Long-Term Security Practices
- Regularly monitor and audit file creation and permissions within the installation directories.
- Implement least privilege principles to restrict access to critical system directories.
Patching and Updates
- Apply patches and updates provided by Froxlor promptly to address security vulnerabilities and enhance system resilience.