CVE-2020-9031 Explained : Impact and Mitigation
Learn about CVE-2020-9031 affecting Symmetricom SyncServer devices. Understand the impact, affected versions, exploitation, and mitigation steps to secure your systems.
Symmetricom SyncServer S100 2.90.70.3, S200 1.30, S250 1.25, S300 2.65.0, and S350 2.80.1 devices are vulnerable to Directory Traversal via the FileName parameter to daemonlog.php.
Understanding CVE-2020-9031
This CVE identifies a security vulnerability in Symmetricom SyncServer devices that could allow an attacker to perform Directory Traversal.
What is CVE-2020-9031?
The CVE-2020-9031 vulnerability allows unauthorized users to access files outside the web server's root directory by manipulating the FileName parameter in daemonlog.php.
The Impact of CVE-2020-9031
Exploitation of this vulnerability could lead to unauthorized access to sensitive system files, potentially resulting in data leakage or system compromise.
Technical Details of CVE-2020-9031
Symmetricom SyncServer devices are affected by a Directory Traversal vulnerability that can be exploited through the daemonlog.php script.
Vulnerability Description
The vulnerability arises from inadequate input validation in the FileName parameter, allowing attackers to traverse directories and access unauthorized files.
Affected Systems and Versions
- Symmetricom SyncServer S100 2.90.70.3
- Symmetricom SyncServer S200 1.30
- Symmetricom SyncServer S250 1.25
- Symmetricom SyncServer S300 2.65.0
- Symmetricom SyncServer S350 2.80.1
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the FileName parameter in the daemonlog.php script to access files outside the intended directory structure.
Mitigation and Prevention
To address CVE-2020-9031, follow these mitigation steps:
Immediate Steps to Take
- Implement input validation mechanisms to sanitize user inputs.
- Regularly monitor and review access logs for suspicious activities.
- Apply security patches provided by the vendor promptly.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify vulnerabilities.
- Educate users on secure coding practices and the importance of input validation.
Patching and Updates
- Stay informed about security advisories from Symmetricom and apply patches as soon as they are released.