DEBIAN-CVE-2018-20340

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    DEBIAN-CVE-2018-20340

    Published: 21 Mar 2019Last Modified: 1 Sept 2026
    Upstream:
    CVE-2018-20340

    Summary:

    Details: Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could use this to attempt to execute malicious code using a crafted USB device masquerading as a security token on a computer where the affected library is currently in use. It is not possible to perform this attack with a genuine YubiKey.

    References: https://security-tracker.debian.org/tracker/CVE-2018-20340

    Affected packages

    Package

    Name: libu2f-host

    Purl: pkg:deb/debian/libu2f-host?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.1.7-1

    Affected versions

    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