CVE-2019-9627 : Vulnerability Insights and Analysis

CyberArk Endpoint Privilege Manager prior to version 10.7 is vulnerable to a buffer overflow in the kernel driver CybKernelTracker.sys, allowing attackers to gain escalated privileges or crash the system.

Understanding CVE-2019-9627

In March 2019, CVE-2019-9627 was published, highlighting a critical vulnerability in CyberArk Endpoint Privilege Manager.

What is CVE-2019-9627?

The vulnerability in the CybKernelTracker.sys kernel driver of CyberArk Endpoint Privilege Manager versions before 10.7 enables attackers to exploit a buffer overflow, potentially leading to privilege escalation or system crashes.

The Impact of CVE-2019-9627

Exploitation of this vulnerability could result in attackers gaining elevated privileges on the affected system or causing a denial of service by crashing the machine.

Technical Details of CVE-2019-9627

CyberArk Endpoint Privilege Manager is susceptible to a critical security flaw that allows unauthorized users to execute malicious code or crash the system.

Vulnerability Description

The buffer overflow in the CybKernelTracker.sys driver permits attackers to load a DLL with an excessively long path, leading to privilege escalation or system instability.

Affected Systems and Versions

Product: CyberArk Endpoint Privilege Manager
Versions Affected: Prior to 10.7

Exploitation Mechanism

Attackers can exploit this vulnerability by loading a specially crafted image, such as a DLL, with an extended path, triggering the buffer overflow.

Mitigation and Prevention

To safeguard systems from CVE-2019-9627, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Update CyberArk Endpoint Privilege Manager to version 10.7 or above to mitigate the vulnerability.
Monitor system logs for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access rights.
Regularly conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Apply security patches and updates provided by CyberArk promptly to address known vulnerabilities and enhance system security.