Ubuntu 1654-1: CUPS vulnerability

    Date05 Dec 2012
    CategoryUbuntu
    238
    Posted ByLinuxSecurity Advisories
    CUPS could be made to read files or run programs as an administrator.
    ==========================================================================
    Ubuntu Security Notice USN-1654-1
    December 05, 2012
    
    cups, cupsys vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.10
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 10.04 LTS
    - Ubuntu 8.04 LTS
    
    Summary:
    
    CUPS could be made to read files or run programs as an administrator.
    
    Software Description:
    - cups: Common UNIX Printing System(tm)
    - cupsys: Common UNIX Printing System(tm)
    
    Details:
    
    It was discovered that users in the lpadmin group could modify certain CUPS
    configuration options to escalate privileges. An attacker could use this to
    potentially gain root privileges.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.10:
      cups                            1.6.1-0ubuntu11.3
    
    Ubuntu 12.04 LTS:
      cups                            1.5.3-0ubuntu5.1
    
    Ubuntu 11.10:
      cups                            1.5.0-8ubuntu7.3
    
    Ubuntu 10.04 LTS:
      cups                            1.4.3-1ubuntu1.9
    
    Ubuntu 8.04 LTS:
      cupsys                          1.3.7-1ubuntu3.16
    
    In general, a standard system update will make all the necessary changes.
    
    This update adds the new cups-files.conf configuration file for privileged
    CUPS settings. In certain customized environments, these settings may need
    to be manually moved to this new file. For more information, please see the
    updated documentation installed with this package and inspect the CUPS
    error log.
    
    References:
      http://www.ubuntu.com/usn/usn-1654-1
      CVE-2012-5519
    
    Package Information:
      https://launchpad.net/ubuntu/+source/cups/1.6.1-0ubuntu11.3
      https://launchpad.net/ubuntu/+source/cups/1.5.3-0ubuntu5.1
      https://launchpad.net/ubuntu/+source/cups/1.5.0-8ubuntu7.3
      https://launchpad.net/ubuntu/+source/cups/1.4.3-1ubuntu1.9
      https://launchpad.net/ubuntu/+source/cupsys/1.3.7-1ubuntu3.16
    
    
    
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