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Vulnerability DatabaseCVE-2020-10865

CVE-2020-10865: 
Avast Antivirus vulnerability analysis and mitigation

Overview

An issue was discovered in Avast Antivirus before version 20. The vulnerability affects the aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe), which allows attackers to make arbitrary changes to the Components section of the Stats.ini file via RPC from a Low Integrity process (NVD, GitHub Advisory).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 7.5 HIGH with vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. The issue specifically involves the aswTask RPC endpoint's handling of the TaskEx library within the Avast Service (AvastSvc.exe), which fails to properly restrict access to the Stats.ini file modifications (NVD).

Impact

The vulnerability allows attackers to make unauthorized modifications to the Components section of the Stats.ini file through RPC calls from a Low Integrity process. This could potentially affect the configuration and behavior of the antivirus software (NVD, GitHub Advisory).

Mitigation and workarounds

The vulnerability was addressed in Avast Antivirus version 20. Users should upgrade to this version or later to protect against this security issue (NVD).

Additional resources

Source: This report was generated using AI

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