Ubuntu 2981-1: libarchive vulnerabilities

    Date17 May 2016
    CategoryUbuntu
    54
    Posted ByLinuxSecurity Advisories
    libarchive could be made to crash or run programs if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-2981-1
    May 17, 2016
    
    libarchive vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    - Ubuntu 15.10
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    libarchive could be made to crash or run programs if it opened a specially
    crafted file.
    
    Software Description:
    - libarchive: Library to read/write archive files
    
    Details:
    
    It was discovered that libarchive incorrectly handled certain entry-size
    values in ZIP archives. A remote attacker could use this issue to cause
    libarchive to crash, resulting in a denial of service, or possibly execute
    arbitrary code. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 15.10
    and Ubuntu 16.04 LTS. (CVE-2016-1541)
    
    It was discovered that libarchive incorrectly handled memory when
    processing certain tar files. A remote attacker could use this issue to
    cause libarchive to crash, resulting in a denial of service. (CVE number
    pending)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      libarchive13                    3.1.2-11ubuntu0.16.04.1
    
    Ubuntu 15.10:
      libarchive13                    3.1.2-11ubuntu0.15.10.1
    
    Ubuntu 14.04 LTS:
      libarchive13                    3.1.2-7ubuntu2.2
    
    Ubuntu 12.04 LTS:
      libarchive12                    3.0.3-6ubuntu1.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2981-1
      CVE-2016-1541
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libarchive/3.1.2-11ubuntu0.16.04.1
      https://launchpad.net/ubuntu/+source/libarchive/3.1.2-11ubuntu0.15.10.1
      https://launchpad.net/ubuntu/+source/libarchive/3.1.2-7ubuntu2.2
      https://launchpad.net/ubuntu/+source/libarchive/3.0.3-6ubuntu1.2
    
    
    
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