USN-3255-1

    Dashboard / Vulnerabilities / USN-3255-1

    USN-3255-1

    Published: 4 Apr 2017Last Modified: 22 Apr 2026

    Summary: lightdm vulnerability

    Details: It was discovered that LightDM incorrectly handled home directory creation for guest users. A local attacker could use this issue to gain ownership of arbitrary directory paths and possibly gain administrative privileges.

    References: https://ubuntu.com/security/notices/USN-3255-1, https://ubuntu.com/security/CVE-2017-7358

    Affected packages

    Package

    Name: lightdm

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.18.3-0ubuntu1.1

    Affected versions

    1.16.4-0ubuntu1

    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