[NT] WinRAR Directory Traversal

From: SecuriTeam (support_at_securiteam.com)
Date: 05/31/05

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Date: 31 May 2005 17:10:47 +0200

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      WinRAR Directory Traversal
    ------------------------------------------------------------------------

    SUMMARY

    By supplying a special archive file name it is possible to cause WinRAR to
    extract files on a different directory then the directory the user has
    requested the files to be extracted to.

    DETAILS

    Vulnerable Systems:
     * WinRAR version 3.42 and prior

    WinRAR adds some options to unpack files directly using left-click. The
    extracing files directly in the directory option allows you to store the
    files in a directory that takes the same name of the compressed file but
    without the extension. In the case were the filename is '...zip' and you
    use choose to use this option, the uncompressed data will be stored in the
    "../" directory.

    Disclosure Timeline:
    02/01/2005 - Bug discovered
    16/01/2005 - Mail sent to the vendor
    16/01/2005 - Vendor response
    02/02/2005 - Advisory released

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:ripe@7a69ezine.org> Albert
    Puigsech Galicia .

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