Ubuntu 3934-1: PolicyKit vulnerability

    Date03 Apr 2019
    2171
    Posted ByLinuxSecurity Advisories
    PolicyKit could allow unintended access.
    ==========================================================================
    Ubuntu Security Notice USN-3934-1
    April 03, 2019
    
    policykit-1 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    PolicyKit could allow unintended access.
    
    Software Description:
    - policykit-1: framework for managing administrative policies and privileges
    
    Details:
    
    It was discovered that PolicyKit incorrectly relied on the fork() system
    call in the Linux kernel being atomic. A local attacker could possibly use
    this issue to gain access to services that have cached authorizations.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.10:
      libpolkit-backend-1-0           0.105-21ubuntu0.4
      policykit-1                     0.105-21ubuntu0.4
    
    Ubuntu 18.04 LTS:
      libpolkit-backend-1-0           0.105-20ubuntu0.18.04.5
      policykit-1                     0.105-20ubuntu0.18.04.5
    
    Ubuntu 16.04 LTS:
      libpolkit-backend-1-0           0.105-14.1ubuntu0.5
      policykit-1                     0.105-14.1ubuntu0.5
    
    Ubuntu 14.04 LTS:
      libpolkit-backend-1-0           0.105-4ubuntu3.14.04.6
      policykit-1                     0.105-4ubuntu3.14.04.6
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3934-1
      CVE-2019-6133
    
    Package Information:
      https://launchpad.net/ubuntu/+source/policykit-1/0.105-21ubuntu0.4
      https://launchpad.net/ubuntu/+source/policykit-1/0.105-20ubuntu0.18.04.5
      https://launchpad.net/ubuntu/+source/policykit-1/0.105-14.1ubuntu0.5
      https://launchpad.net/ubuntu/+source/policykit-1/0.105-4ubuntu3.14.04.6
    
    

    LinuxSecurity Poll

    What do you think of the LinuxSecurity Privacy news articles?

    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/25-what-do-you-think-of-the-linuxsecurity-privacy-news-articles?task=poll.vote&format=json
    25
    radio
    [{"id":"90","title":"Love them!","votes":"90","type":"x","order":"1","pct":78.95,"resources":[]},{"id":"91","title":"I'm indifferent","votes":"18","type":"x","order":"2","pct":15.79,"resources":[]},{"id":"92","title":"Not interested in this topic","votes":"6","type":"x","order":"3","pct":5.26,"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.