Ubuntu 4049-2: GLib vulnerability

    Date08 Jul 2019
    CategoryUbuntu
    2673
    Posted ByLinuxSecurity Advisories
    GLib did not properly restrict directory and file permissions.
    ==========================================================================
    Ubuntu Security Notice USN-4049-2
    July 08, 2019
    
    glib2.0 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    GLib did not properly restrict directory and file permissions.
    
    Software Description:
    - glib2.0: GLib Input, Output and Streaming Library (fam module)
    
    Details:
    
    USN-4049-1 fixed a vulnerability in GLib. This update provides
    the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     It was discovered that GLib created directories and files without properly
     restricting permissions. An attacker could possibly use this issue to access
     sensitive information.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      libglib2.0-0                    2.40.2-0ubuntu1.1+esm2
      libglib2.0-bin                  2.40.2-0ubuntu1.1+esm2
    
    Ubuntu 12.04 ESM:
      libglib2.0-0                    2.32.4-0ubuntu1.3
      libglib2.0-bin                  2.32.4-0ubuntu1.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4049-2
      https://usn.ubuntu.com/4049-1
      CVE-2019-13012
    
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