CVE-2020-9033 : Security Advisory and Response

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 authlog.php.

Understanding CVE-2020-9033

This CVE identifies a security vulnerability in Symmetricom SyncServer devices that could allow an attacker to perform Directory Traversal.

What is CVE-2020-9033?

The CVE-2020-9033 vulnerability allows unauthorized access to files on the affected devices by manipulating the FileName parameter in the authlog.php file.

The Impact of CVE-2020-9033

Exploitation of this vulnerability could lead to unauthorized disclosure of sensitive information or unauthorized modification of system files on the affected Symmetricom SyncServer devices.

Technical Details of CVE-2020-9033

Symmetricom SyncServer devices are affected by a Directory Traversal vulnerability that can be exploited through the FileName parameter in the authlog.php file.

Vulnerability Description

The vulnerability in Symmetricom SyncServer devices allows attackers to traverse directories and access files they should not have permission to view.

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 authlog.php file to access unauthorized files on the affected devices.

Mitigation and Prevention

To address CVE-2020-9033 and enhance security, follow these mitigation steps:

Immediate Steps to Take

Implement access controls to restrict unauthorized access to sensitive files.
Monitor file access and detect any suspicious activities.

Long-Term Security Practices

Regularly update and patch Symmetricom SyncServer devices to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Apply patches provided by the vendor to fix the Directory Traversal vulnerability in Symmetricom SyncServer devices.