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 PROGENY SERVICE NETWORK -- SECURITY ADVISORY             PROGENY-SA-2001-10
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    Synopsis:       Older versions of NEdit make insecure use of temp files

    Software:       nedit

    History:
         2001-04-27 Update available in Progeny archive

    Affects:        Progeny Debian (nedit prior to 5.1.1-1.0progeny1)
    Progeny Only:   NO

    Vendor-Status:  New Version Released
                    5.1.1-1.0progeny1

    $Id: PROGENY-SA-2001-10,v 1.1 2001/04/27 15:09:05 jdaily Exp $

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DESCRIPTION

NEdit, a popular GUI editor, insecurely opens a file in /tmp for
printing purposes. This vulnerability could be used by a local
attacker to cause a privileged user to unwittingly overwrite a file
(via a symbolic link) to which the user has write access.


SOLUTION (See also: UPDATING VIA APT-GET)

If you have NEdit installed, upgrade to a fixed version of nedit.
nedit version 5.1.1-1.0progeny1 corrects the problem. For your
convenience, you may upgrade to the new package.

If you aren't sure if you have NEdit installed, type:

  dpkg -l nedit

...at a command prompt.  If you don't have it installed, you can
disregard this warning.


UPDATING VIA APT-GET

 1. Ensure that your /etc/apt/sources.list file has a URI for Progeny's
    update repository:

        deb http://archive.progeny.com/progeny updates/newton/

 2. Update your cache of available packages for apt(8).

    Example:

        # apt-get update

 3. Using apt(8), install the new package. apt(8) will download the
    update, verify its integrity with md5, and then install the
    package on your system with dpkg(8).

    Example:

        # apt-get install nedit


UPDATING VIA DPKG

 1. Using your preferred FTP/HTTP client to retrieve the following
    updated files from Progeny's update archive at:

    http://archive.progeny.com/progeny/updates/newton/

    MD5 Checksum                     Filename
    -------------------------------- -------------------------------------
    142a511170fbf30ce2881d362787658a nedit_5.1.1-1.0progeny1_i386.deb

    Example:

        # wget \
        http://archive.progeny.com/progeny/updates/newton/nedit_5.1.1-1.0progeny1_i386.deb

 2. Use the md5sum command on the retrieved files to verify that they
    match the md5sum provided in this advisory:

    Example:

        # md5sum nedit_5.1.1-1.0progeny1_i386.deb

 3. Then install the replacement package(s) using the dpkg command.

    Example:

        # dpkg --install nedit_5.1.1-1.0progeny1_i386.deb


WORKAROUND

Other than removing the nedit software, no known workaround exists for
this vulnerability.


MORE INFORMATION

Progeny advisories can be found at http://www.progeny.com/security/.


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pub  1024D/F92D4D1F 2001-04-04 Progeny Security Team <security@progeny.com>

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