CVE-2019-18894 : Exploit Details and Defense Strategies

Avast Premium Security 19.8.2393 vulnerability allows attackers to execute unauthorized OS commands through the Avast Antivirus local web server.

Understanding CVE-2019-18894

This CVE exposes a flaw in Avast Premium Security 19.8.2393, enabling attackers to bypass browser sandbox security.

What is CVE-2019-18894?

The vulnerability in Avast Premium Security 19.8.2393 permits attackers to send a crafted request to the local web server, executing unauthorized OS commands with user privileges.

The Impact of CVE-2019-18894

Attackers can compromise browser extensions to escape browser sandbox restrictions.

Technical Details of CVE-2019-18894

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw in Avast Premium Security 19.8.2393 allows attackers to execute unauthorized OS commands through the local web server.

Affected Systems and Versions

Product: Avast Premium Security 19.8.2393
Vendor: Avast
Versions: All versions are affected.

Exploitation Mechanism

Attackers send a specifically designed request to the Avast Antivirus local web server on port 27275.

Mitigation and Prevention

Protect your systems from CVE-2019-18894 with these security measures.

Immediate Steps to Take

Update Avast Premium Security to the latest version.
Monitor browser extensions for suspicious activities.

Long-Term Security Practices

Regularly review and update security configurations.
Educate users on safe browsing practices.

Patching and Updates

Apply security patches promptly to prevent exploitation of vulnerabilities.