Ubuntu 3892-1: GDM vulnerability

    Date20 Feb 2019
    CategoryUbuntu
    2845
    Posted ByLinuxSecurity Advisories
    GDM could give unauthorized access to a different user.
    ==========================================================================
    Ubuntu Security Notice USN-3892-1
    February 20, 2019
    
    gdm3 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    
    Summary:
    
    GDM could give unauthorized access to a different user.
    
    Software Description:
    - gdm3: GNOME Display Manager
    
    Details:
    
    Burghard Britzke discovered that GDM incorrectly handled certain
    configurations. An attacker could possibly use this issue to get
    unauthorized access to a different user.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.10:
      gdm3                            3.30.1-1ubuntu5.1
    
    Ubuntu 18.04 LTS:
      gdm3                            3.28.3-0ubuntu18.04.4
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3892-1
      CVE-2019-3825
    
    Package Information:
      https://launchpad.net/ubuntu/+source/gdm3/3.30.1-1ubuntu5.1
      https://launchpad.net/ubuntu/+source/gdm3/3.28.3-0ubuntu18.04.4
    
    You are not authorised to post comments.

    Comments powered by CComment

    LinuxSecurity Poll

    What do you think of the articles on LinuxSecurity?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    /main-polls/24-what-do-you-think-of-the-quality-of-the-articles-on-linuxsecurity?task=poll.vote&format=json
    24
    radio
    [{"id":"87","title":"Excellent, don't change a thing!","votes":"23","type":"x","order":"1","pct":56.1,"resources":[]},{"id":"88","title":"Should be more technical","votes":"5","type":"x","order":"2","pct":12.2,"resources":[]},{"id":"89","title":"Should include more HOWTOs","votes":"13","type":"x","order":"3","pct":31.71,"resources":[]}]["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"]["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"]350
    bottom200

    Advisories

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.