CVE-2019-18894

High

Description

In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently logged in user. This allows for example attackers who compromised a browser extension to escape from the browser sandbox.

SeverityHigh
CVSS7.8
Exploit probability—
ProductAvast Premium Security
PublishedJan 13, 2020
First seenJan 13, 2020

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
avast premium_security19.8.2393—

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CVE-2019-18894 · Avast Premium Security · Dark Radar