CVE-2019-18232 : Vulnerability Insights and Analysis

SafeNet Sentinel LDK License Manager Runtime versions prior to 7.101 on Microsoft Windows are vulnerable to a privilege escalation attack through symbolic links.

Understanding CVE-2019-18232

The License Manager component of SafeNet Sentinel LDK, when used as a service, is susceptible to exploitation by local attackers.

What is CVE-2019-18232?

The vulnerability in SafeNet Sentinel LDK License Manager Runtime allows attackers to manipulate files in the system folder using symbolic links, potentially leading to privilege escalation and DLL execution.

The Impact of CVE-2019-18232

Local attackers can generate, modify, or delete files in the system folder, elevating their privileges.
Exploitation could result in the execution of a malicious DLL, compromising system integrity and availability.

Technical Details of CVE-2019-18232

SafeNet Sentinel LDK License Manager Runtime vulnerability details.

Vulnerability Description

CWE-59: Improper Link Resolution Before File Access ('Link Following')

Affected Systems and Versions

Product: SafeNet Sentinel LDK License Manager Runtime
Vendor: n/a
Versions Affected: All versions prior to 7.101 (only Microsoft Windows versions)

Exploitation Mechanism

Attackers with local access can exploit symbolic links to manipulate system files and potentially execute harmful DLLs.

Mitigation and Prevention

Protecting systems from CVE-2019-18232.

Immediate Steps to Take

Update SafeNet Sentinel LDK License Manager Runtime to version 7.101 or above.
Restrict access to the system folder to authorized users only.

Long-Term Security Practices

Regularly monitor and audit file system changes.
Implement the principle of least privilege to limit user access rights.

Patching and Updates

Apply security patches and updates provided by the vendor to address the vulnerability.