CVE-2018-18876 Explained : Impact and Mitigation
Learn about CVE-2018-18876, a directory traversal vulnerability in Columbia Weather MicroServer's firmware version MS_2.6.9900, enabling unauthorized access to system files. Find mitigation steps and prevention measures.
The Columbia Weather MicroServer's firmware version MS_2.6.9900 contains a vulnerability in the readouts_rd.php file, allowing unauthorized access to any file within the operating system.
Understanding CVE-2018-18876
This CVE entry describes a directory traversal vulnerability in the Columbia Weather MicroServer's firmware version MS_2.6.9900.
What is CVE-2018-18876?
This CVE identifies a security flaw in the Columbia Weather MicroServer's firmware that enables attackers to access files on the underlying operating system without authorization.
The Impact of CVE-2018-18876
The vulnerability in the readouts_rd.php file poses a significant risk as it allows unauthorized parties to read sensitive files on the system, potentially leading to data breaches and unauthorized access.
Technical Details of CVE-2018-18876
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The directory traversal issue in the readouts_rd.php file of the Columbia Weather MicroServer's firmware version MS_2.6.9900 permits the reading of any file on the operating system, compromising system integrity.
Affected Systems and Versions
- Affected Product: Columbia Weather MicroServer
- Affected Version: MS_2.6.9900
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating directory traversal sequences in the URL to access files outside the intended directory structure.
Mitigation and Prevention
Protecting systems from CVE-2018-18876 requires immediate action and long-term security measures.
Immediate Steps to Take
- Disable access to the readouts_rd.php file or restrict it to authorized users only.
- Monitor system logs for any suspicious activity indicating unauthorized file access.
Long-Term Security Practices
- Regularly update firmware and apply security patches to address known vulnerabilities.
- Implement access controls and authentication mechanisms to prevent unauthorized access to sensitive files.
Patching and Updates
- Check for firmware updates provided by the vendor to patch the directory traversal vulnerability.