UBUNTU-CVE-2020-26143

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    UBUNTU-CVE-2020-26143

    Published: 11 May 2021Last Modified: 17 Sept 2026
    Upstream:
    CVE-2020-26143

    Summary:

    Details: An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network. An adversary can abuse this to inject arbitrary data frames independent of the network configuration.

    References: https://ubuntu.com/security/CVE-2020-26143, https://papers.mathyvanhoef.com/usenix2021.pdf, https://lore.kernel.org/linux-wireless/[email protected]/, https://www.cve.org/CVERecord?id=CVE-2020-26143

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.11.0-12.19

    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
    UBUNTU-CVE-2020-26143 | CVE-DB