CVE-2019-18568 : Security Advisory and Response

Avira Free Antivirus 15.0.1907.1514 is prone to a local privilege escalation vulnerability that allows a restricted user to execute kernel code.

Understanding CVE-2019-18568

This CVE involves a vulnerability in Avira Free Antivirus that could lead to local privilege escalation.

What is CVE-2019-18568?

The vulnerability in Avira Free Antivirus 15.0.1907.1514 enables a restricted user to execute kernel code, potentially gaining local privilege escalation.

The Impact of CVE-2019-18568

CVSS Base Score: 8.1 (High Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: Low
Privileges Required: Low
User Interaction: Required
Scope: Changed
Attack Complexity: Low

Technical Details of CVE-2019-18568

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows a restricted user to execute kernel code, potentially leading to local privilege escalation.

Affected Systems and Versions

Product: Avira Free Antivirus
Vendor: AVIRA
Affected Version: 15.0.1907.1514
Platforms: x86

Exploitation Mechanism

The vulnerability can be exploited by a restricted user to execute kernel code, thereby gaining local privilege escalation.

Mitigation and Prevention

Protecting systems from CVE-2019-18568 is crucial to maintaining security.

Immediate Steps to Take

Update Avira Free Antivirus to a non-vulnerable version.
Monitor system logs for any suspicious activities.
Implement the principle of least privilege to restrict user capabilities.

Long-Term Security Practices

Regularly update antivirus software and security patches.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Check for security updates from Avira and apply them promptly to mitigate the vulnerability.