DEBIAN-CVE-2009-4128

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    DEBIAN-CVE-2009-4128

    Published: 1 Dec 2009Last Modified: 1 Sept 2026
    Upstream:
    CVE-2009-4128

    Summary:

    Details: GNU GRand Unified Bootloader (GRUB) 2 1.97 only compares the submitted portion of a password with the actual password, which makes it easier for physically proximate attackers to conduct brute force attacks and bypass authentication by submitting a password whose length is 1.

    References: https://security-tracker.debian.org/tracker/CVE-2009-4128

    Affected packages

    Package

    Name: grub2

    Purl: pkg:deb/debian/grub2?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.97+20091115-1

    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
    DEBIAN-CVE-2009-4128 | CVE-DB