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    CVE-2019-18894

    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.

    Published:Jan 13, 2020
    Last Modified:Nov 21, 2024
    EPS:Jan 13, 2020
    EPSS Score:0.00338
    CVSS Score:7.8

    Affected Products

    Vendor
    Avast
    Product
    Premium Security

    Exploits

    https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High