Ubuntu 2473-1: coreutils vulnerabilities

    Date14 Jan 2015
    CategoryUbuntu
    47
    Posted ByLinuxSecurity Advisories
    date and touch could be made to crash or run programs if theyhandled specially crafted input.
    ==========================================================================
    Ubuntu Security Notice USN-2473-1
    January 14, 2015
    
    coreutils vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    - Ubuntu 10.04 LTS
    
    Summary:
    
    date and touch could be made to crash or run programs if they
    handled specially crafted input.
    
    Software Description:
    - coreutils: GNU core utilities
    
    Details:
    
    It was discovered that the distcheck rule in dist-check.mk in GNU
    coreutils allows local users to gain privileges via a symlink attack
    on a directory tree under /tmp. This issue only affected Ubuntu 10.04 LTS.
    (CVE-2009-4135)
    
    Bertrand Jacquin and Fiedler Roman discovered date and touch incorrectly
    handled user-supplied input. An attacker could possibly use this to cause
    a denial of service or potentially execute code. (CVE-2014-9471)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 LTS:
      coreutils                       8.21-1ubuntu5.1
    
    Ubuntu 12.04 LTS:
      coreutils                       8.13-3ubuntu3.3
    
    Ubuntu 10.04 LTS:
      coreutils                       7.4-2ubuntu3.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2473-1
      CVE-2009-4135, CVE-2014-9471
    
    Package Information:
      https://launchpad.net/ubuntu/+source/coreutils/8.21-1ubuntu5.1
      https://launchpad.net/ubuntu/+source/coreutils/8.13-3ubuntu3.3
      https://launchpad.net/ubuntu/+source/coreutils/7.4-2ubuntu3.1
    
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