USN-2836-1

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    USN-2836-1

    Published: 15 Dec 2015Last Modified: 10 Feb 2026

    Summary: grub2 vulnerability

    Details: Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled the backspace key when configured to use authentication. A local attacker could use this issue to bypass GRUB password protection.

    References: https://ubuntu.com/security/notices/USN-2836-1, https://ubuntu.com/security/CVE-2015-8370

    Affected packages

    Package

    Name: grub2

    Purl: pkg:deb/ubuntu/[email protected]~beta2-9ubuntu1.6?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.02~beta2-9ubuntu1.6

    Affected versions

    2.00-19ubuntu2

    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