CVE-2019-19296 Explained : Impact and Mitigation

A security flaw has been found in the SiNVR/SiVMS Video Server (All versions < V5.0.0) that may allow an authenticated remote attacker to access unauthorized files through a path traversal vulnerability in the FTP services.

Understanding CVE-2019-19296

This CVE identifies a path traversal vulnerability in the SiNVR/SiVMS Video Server, affecting versions prior to V5.0.0.

What is CVE-2019-19296?

The CVE-2019-19296 vulnerability allows a remote attacker to exploit a path traversal flaw in the server's FTP services to access and retrieve unauthorized files.

The Impact of CVE-2019-19296

The vulnerability poses a medium severity risk with a CVSS base score of 6.8. An attacker could potentially compromise the confidentiality and integrity of sensitive data stored on the server.

Technical Details of CVE-2019-19296

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is classified as CWE-22, indicating an improper limitation of a pathname to a restricted directory, leading to path traversal.

Affected Systems and Versions

Vendor: Siemens
Product: SiNVR/SiVMS Video Server
Affected Versions: All versions prior to V5.0.0
Default Status: Unknown

Exploitation Mechanism

The vulnerability can be exploited by an authenticated remote attacker through the FTP services on default ports 21/tcp and 5411/tcp.

Mitigation and Prevention

To address CVE-2019-19296, follow these mitigation steps:

Immediate Steps to Take

Disable FTP services if not required
Implement network segmentation to restrict access
Monitor and analyze FTP traffic for suspicious activities

Long-Term Security Practices

Regularly update and patch the SiNVR/SiVMS Video Server
Conduct security assessments and penetration testing
Educate users on secure FTP practices

Patching and Updates

Refer to the vendor's security advisory for patches and updates.