Avast Business Antivirus for Linux File Validation Vulnerability in Update Process
Vulnerability
A vulnerability exists in Avast Business Antivirus for Linux version 4.5, allowing local users to spoof or manipulate update files. This issue arises from inadequate file validation in the update process, which permits unverified file writes.
Impact
Exploitation of this vulnerability could lead to unauthorized modification of update files, potentially allowing for the installation of malicious updates or the disruption of the update process.
Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM
Vulnerability Rating
Custom Algorithm
spread
0.0impact
0.6exploitability
3.3remediation
0.0relevance
0.0threat
0.0urgency
2.9incentive
1.7Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.