Re: wu-ftpd exploit fix

From: Jordan Ritter (jpr5at_private)
Date: Fri May 07 1999 - 11:44:10 PDT

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    On Thu, 6 May 1999, Adam Maloney wrote:
    
    > We evaluated the source to the exploit, and made some changes to
    > realpath.c (found in the /src directory of the wu-ftpd tarball)
    
    hate to tell you this, but these things have already been fixed, and by
    several in parallel.  latest vr series ftpd, with redhat's changes merged
    in:
    
    ftp://ftp.vr.net/pub/wu-ftpd/wu-ftpd-2.4.2-vr17.tar.gz
    
    
    > Interestingly enough, from the code that we saw, there was already
    > code in the source to handle buffer overflows, but it wasn't
    > implemented for all of the functions.
    
    not to mention path-filter
    
    
    Jordan Ritter
    Network Security Engineer
    Netect/Bindview Corp  Boston, MA
    
    "Quis custodiet ipsos custodes?"
    



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