CVE-2019-19894 : Exploit Details and Defense Strategies

IXP EasyInstall 6.2.13723 allows for the temporary deactivation of UAC on a client system, potentially enabling unauthorized actions.

Understanding CVE-2019-19894

This CVE involves a vulnerability in IXP EasyInstall 6.2.13723 that allows a verified attacker to disable UAC on a client system.

What is CVE-2019-19894?

The functionality in IXP EasyInstall 6.2.13723 permits the temporary deactivation of UAC on a client system by leveraging the Agent Service. An attacker with non-admin privileges can disable UAC for other users by manipulating a specific file.

The Impact of CVE-2019-19894

The impact of this vulnerability is rated as MEDIUM severity with a CVSS base score of 5.5. The integrity of the affected system is at high risk due to the potential unauthorized deactivation of UAC.

Technical Details of CVE-2019-19894

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in IXP EasyInstall 6.2.13723 allows an authenticated attacker to disable UAC for other users by renaming and replacing a specific file on the system.

Affected Systems and Versions

Product: IXP EasyInstall 6.2.13723
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Integrity Impact: High
Confidentiality Impact: None
Availability Impact: None

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor system logs for any suspicious activities related to UAC deactivation.
Restrict access to critical system files to authorized personnel only.
Implement the principle of least privilege to limit user capabilities.

Long-Term Security Practices

Regularly update and patch the IXP EasyInstall software to mitigate known vulnerabilities.
Conduct security training for users to raise awareness about potential threats and best practices.

Patching and Updates

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