Re: bootpd remote vulnerability

From: Irwin Tillman (irwinat_private)
Date: Fri Dec 04 1998 - 12:50:52 PST

  • Next message: Crispin Cowan: "Re: bootpd remote vulnerability"

    John McDonald <jmcdonalat_private> wrote:
    
    >I've discovered a remote buffer overflow in the bootpd daemon that, to
    >my knowledge, is distributed with most linuxs and bsds.
    >...
    >
    >I have not attempted to determine if Solaris, Irix, Digital Unix, or any
    >other OS's are vulnerable.
    >...
    >The problem is that we can specify a htype that is past the end of the
    >hwinfolist table.
    >...
    
    
    Unpatched CMU dhcpd 3.3.7 (which traces its roots to the old bootpd)
    was also vulnerable.  Princeton patch 6 (the most recent patch, released
    July 1998) fixed it.
    
    The PU patches are at http://www.princeton.edu/~irwin/dhcpd.html.
    
    /ist
    



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