CVE-2019-3999 : Exploit Details and Defense Strategies

A vulnerability found in Druva inSync Windows Client 6.5.0 allows an unauthorized attacker with local access to execute system commands with elevated privileges by exploiting the improper neutralization of certain elements used in an OS command.

Understanding CVE-2019-3999

This CVE involves an unauthenticated OS command injection vulnerability in Druva inSync Windows Client 6.5.0.

What is CVE-2019-3999?

CVE-2019-3999 is a security vulnerability in Druva inSync Windows Client 6.5.0 that enables a local attacker to execute system commands with elevated privileges without proper authentication.

The Impact of CVE-2019-3999

The vulnerability allows an unauthorized local attacker to run arbitrary operating system commands with SYSTEM privileges, potentially leading to system compromise and unauthorized access.

Technical Details of CVE-2019-3999

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from the improper neutralization of special elements used in an OS command within Druva inSync Windows Client 6.5.0, enabling unauthenticated local attackers to execute arbitrary commands.

Affected Systems and Versions

Product: Druva inSync Windows Client
Version: 6.5.0

Exploitation Mechanism

The vulnerability can be exploited by a local attacker with access to the system, allowing them to execute commands with elevated privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-3999 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Druva inSync Windows Client to a patched version that addresses the vulnerability.
Restrict local access to systems to authorized personnel only.

Long-Term Security Practices

Implement the principle of least privilege to limit user access rights.
Regularly monitor and audit system commands and activities for unusual behavior.

Patching and Updates

Ensure timely installation of security patches and updates provided by Druva to mitigate the vulnerability.