Ubuntu 4194-1: postgresql-common vulnerability

    Date14 Nov 2019
    CategoryUbuntu
    115
    Posted ByLinuxSecurity Advisories
    postgresql-common could be made to create arbitrary directories.
    ==========================================================================
    Ubuntu Security Notice USN-4194-1
    November 14, 2019
    
    postgresql-common vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    postgresql-common could be made to create arbitrary directories.
    
    Software Description:
    - postgresql-common: PostgreSQL database-cluster manager
    
    Details:
    
    Rich Mirch discovered that the postgresql-common pg_ctlcluster script
    incorrectly handled directory creation. A local attacker could possibly use
    this issue to escalate privileges.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      postgresql-common               204ubuntu0.1
    
    Ubuntu 19.04:
      postgresql-common               199ubuntu0.1
    
    Ubuntu 18.04 LTS:
      postgresql-common               190ubuntu0.1
    
    Ubuntu 16.04 LTS:
      postgresql-common               173ubuntu0.3
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4194-1
      CVE-2019-3466
    
    Package Information:
      https://launchpad.net/ubuntu/+source/postgresql-common/204ubuntu0.1
      https://launchpad.net/ubuntu/+source/postgresql-common/199ubuntu0.1
      https://launchpad.net/ubuntu/+source/postgresql-common/190ubuntu0.1
      https://launchpad.net/ubuntu/+source/postgresql-common/173ubuntu0.3
    
    
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