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From: Stephen Turner (S.R.E.TurnerSTATSLAB.CAM.AC.UK)
Date: Tue Feb 13 2001 - 12:51:30 CST

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    SECURITY ADVISORY 13th February 2001
    Program: analog (logfile analysis program)
    Versions: all versions except 4.16 and 4.90beta3
    Operating systems: all
    There is a buffer overflow bug in all versions of analog released
    prior to today. A malicious user could use an ALIAS command to
    construct very long strings which were not checked for length.

    This bug is particularly dangerous if the form interface (which allows
    unknown users to run the program via a CGI script) has been installed.

    This bug was discovered by the program author, and there is no known
    exploit. However, users are advised to upgrade to one of the two safe
    versions immediately, especially if they have installed the form
    interface. The URL is http://www.analog.cx/

    I apologise for the inconvenience.
                                                            Stephen Turner

    Stephen Turner               http://www.statslab.cam.ac.uk/~sret1/
      Statistical Laboratory, Wilberforce Road, Cambridge, CB3 0WB, England
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