Re: Mail bug

From: Thor (thor@tech-center.com)
Date: Mon Jun 04 2001 - 02:03:55 PDT

  • Next message: Roland Dworschak: "Re: Mail bug"

    Hi
    
    
    > 
    > Hi,
    > 
    > I've discovered slightly odd behavour from /usr/bin/Mail on my Redhat 6.2
    > box.  I don't really have the time to fiddle with this, so I'm hoping you
    > guys can provide feedback as to if this is reproducable on other systems.
    > 
    [...]
    > 
    > echo -e \\x00 >/var/spool/mail/gossi
    > mail
    > 
    > (substituing gossi for your userid, obviously).  If it works, it should
    > die.
    > 
    [...]
    > [gossi@owned gossi]$ mail
    > Segmentation fault (core dumped)
    > 
    > ---------
    > 
    > So, roughly, the questions I can see are;
    > 
    > a) can you reproduce it
    > b) what OS/distro
    > c) is Mail suid root?
    > d) why is it doing this, and is it exploitable?
    
    Debian potato 
    mail is not suid 
    Mail version 8.1 6/6/93.  
    no core dumped
    
    ---
    ;---+---;
    bye |
    bye |hor
    
    
    > 
    > 
    > Regards,
    > Gossi The Dog.
    > 
    > 
    



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