MGASA-2018-0056

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    MGASA-2018-0056

    Published: 3 Jan 2018Last Modified: 16 Apr 2026
    Upstream:
    CVE-2017-12164

    Summary: Updated gdm packages fix security vulnerability

    Details: Updated gdm packages fix security vulnerability: A flaw was discovered in the gdm where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enable for a victim, an attacker could simply select 'login as another user' to unlock their screen (CVE-2017-12164).

    References: https://advisories.mageia.org/MGASA-2018-0056.html, https://bugs.mageia.org/show_bug.cgi?id=21717, https://lists.fedoraproject.org/archives/list/[email protected]/thread/CUDXKEMLQPVFJP52PBLEOLKUMYUY25UJ/

    Affected packages

    Package

    Name: gdm

    Purl: pkg:rpm/mageia/gdm?arch=source&distro=mageia-6

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.24.3-1.mga6

    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