CVE-2019-19994 : Exploit Details and Defense Strategies

A vulnerability has been identified in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29, allowing blind Command Injection, enabling unauthorized attackers to execute arbitrary commands on the operating system.

Understanding CVE-2019-19994

This CVE pertains to a security flaw in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29, facilitating blind Command Injection.

What is CVE-2019-19994?

CVE-2019-19994 is a vulnerability in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29, which permits unauthorized attackers to execute arbitrary commands on the operating system through a specific parameter injection in the PHP webpage /common/vam_monitor_sap.php.

The Impact of CVE-2019-19994

The exploitation of this vulnerability can lead to severe consequences:

Unauthorized execution of arbitrary commands on the operating system

Technical Details of CVE-2019-19994

This section provides technical insights into the CVE-2019-19994 vulnerability.

Vulnerability Description

The vulnerability allows blind Command Injection in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29, enabling unauthorized command execution on the OS.

Affected Systems and Versions

Affected Versions: 4.15.0 to 4.29 of Selesta Visual Access Manager (VAM)

Exploitation Mechanism

The vulnerability can be exploited by injecting a specific parameter in the PHP webpage /common/vam_monitor_sap.php, allowing attackers to execute arbitrary commands.

Mitigation and Prevention

To address CVE-2019-19994, follow these mitigation strategies:

Immediate Steps to Take

Update Selesta Visual Access Manager (VAM) to a non-vulnerable version
Implement strict input validation to prevent command injections

Long-Term Security Practices

Regular security assessments and audits
Employee training on secure coding practices

Patching and Updates

Apply security patches provided by the vendor