CVE-2019-19992 : Vulnerability Insights and Analysis

A vulnerability has been found in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29 that allows an authenticated user to retrieve XML files from the filesystem using the web interface.

Understanding CVE-2019-19992

This CVE identifies a security flaw in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29 that could be exploited by an authenticated user to access sensitive files on the filesystem.

What is CVE-2019-19992?

The vulnerability in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29 allows an attacker to retrieve XML files from the filesystem through the web interface by manipulating a parameter in the PHP script.

The Impact of CVE-2019-19992

This vulnerability could lead to unauthorized access to potentially sensitive files within the filesystem, compromising the confidentiality and integrity of data stored in Selesta Visual Access Manager (VAM).

Technical Details of CVE-2019-19992

The technical details of this CVE highlight the specific aspects of the vulnerability.

Vulnerability Description

The PHP script /common/vam_editXml.php in Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29 does not properly validate the file name parameter, enabling an attacker to modify the parameter and access sensitive files on the filesystem.

Affected Systems and Versions

Selesta Visual Access Manager (VAM) versions 4.15.0 to 4.29

Exploitation Mechanism

An authenticated user can exploit the vulnerability by manipulating the file name parameter in the PHP script /common/vam_editXml.php to access XML files on the filesystem.

Mitigation and Prevention

Protecting systems from CVE-2019-19992 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Selesta Visual Access Manager (VAM) to a patched version that addresses the vulnerability.
Monitor and restrict access to sensitive files and directories within the filesystem.

Long-Term Security Practices

Implement least privilege access controls to limit user permissions within Selesta Visual Access Manager (VAM).
Regularly audit and review file system permissions to prevent unauthorized access.

Patching and Updates

Apply patches and updates provided by Selesta to fix the vulnerability in versions 4.15.0 to 4.29 of Visual Access Manager (VAM).