CVE-2019-20456 Explained : Impact and Mitigation

Goverlan Reach Console versions prior to 9.50, Goverlan Reach Server versions prior to 3.50, and Goverlan Client Agent versions prior to 9.20.50 are affected by an Untrusted Search Path vulnerability that can lead to Command Injection and Local Privilege Escalation through DLL hijacking.

Understanding CVE-2019-20456

This CVE identifies a security issue in multiple Goverlan products that could allow attackers to execute arbitrary commands and escalate privileges locally.

What is CVE-2019-20456?

The vulnerability in Goverlan Reach products allows attackers to exploit an untrusted search path, potentially leading to Command Injection and Local Privilege Escalation by manipulating DLL files.

The Impact of CVE-2019-20456

The exploitation of this vulnerability could result in unauthorized command execution and elevation of privileges on affected systems, posing a significant security risk.

Technical Details of CVE-2019-20456

Goverlan Reach products are susceptible to DLL hijacking due to an untrusted search path, enabling attackers to execute malicious commands and escalate privileges.

Vulnerability Description

The Untrusted Search Path vulnerability in Goverlan Reach products facilitates Command Injection and Local Privilege Escalation through DLL hijacking, potentially leading to unauthorized system access.

Affected Systems and Versions

Goverlan Reach Console versions prior to 9.50
Goverlan Reach Server versions prior to 3.50
Goverlan Client Agent versions prior to 9.20.50

Exploitation Mechanism

Attackers can exploit the DLL hijacking vulnerability by manipulating the search path to load malicious DLL files, allowing them to execute arbitrary commands and escalate privileges.

Mitigation and Prevention

To address CVE-2019-20456, users and administrators should take immediate action to secure their systems and prevent potential exploitation.

Immediate Steps to Take

Update Goverlan Reach products to the latest patched versions to mitigate the vulnerability.
Implement strict file system permissions to prevent unauthorized DLL loading.
Monitor system logs for any suspicious activities related to DLL loading.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and address vulnerabilities promptly.
Educate users on safe computing practices and the risks associated with DLL hijacking.

Patching and Updates

Regularly check for security updates and patches released by Goverlan to address known vulnerabilities and enhance system security.