Ubuntu 4194-2: postgresql-common vulnerability

    Date03 Dec 2019
    CategoryUbuntu
    47
    Posted ByLinuxSecurity Advisories
    postgresql-common could be made to create arbitrary directories.
    ==========================================================================
    Ubuntu Security Notice USN-4194-2
    December 03, 2019
    
    postgresql-common vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    
    Summary:
    
    postgresql-common could be made to create arbitrary directories.
    
    Software Description:
    - postgresql-common: PostgreSQL database-cluster manager
    
    Details:
    
    USN-4194-1 fixed a vulnerability in postgresql-common. This update provides
    the corresponding update for Ubuntu 14.04 ESM.
    
    Original advisory 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 14.04 ESM:
      postgresql-common               154ubuntu1.1+esm1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4194-2
      https://usn.ubuntu.com/4194-1
      CVE-2019-3466
    
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