Ubuntu 2482-1: elfutils vulnerability

    Date22 Jan 2015
    Posted ByLinuxSecurity Advisories
    elfutils could be made to overwrite files in the root directory if it receiveda specially crafted file.
    Ubuntu Security Notice USN-2482-1
    January 23, 2015
    elfutils vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 14.10
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    - Ubuntu 10.04 LTS
    elfutils could be made to overwrite files in the root directory if it received
    a specially crafted file.
    Software Description:
    - elfutils: collection of utilities to handle ELF objects
    Alexander Cherepanov discovered that libelf1 incorrectly handled certain
    filesystem paths while extracting ar archives. An attacker could use this flaw
    to perform a directory traversal attack on the root directory if the process
    extracting the ar archive has write access to the root directory.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 14.10:
      libelf1                         0.160-0ubuntu2.1
    Ubuntu 14.04 LTS:
      libelf1                         0.158-0ubuntu5.2
    Ubuntu 12.04 LTS:
      libelf1                         0.152-1ubuntu3.1
    Ubuntu 10.04 LTS:
      libelf1                         0.143-1ubuntu0.1
    After a standard system update you need to restart applications using libelf1
    to make all the necessary changes.
    Package Information:
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