coredump in tracepath

From: jon schatz (jonat_private)
Date: Wed Jan 09 2002 - 11:55:22 PST

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    I found a coredump in tracepath, which is part of the iputils package.
    I've tested this on RH 7.1 and 7.2, which both use the same version
    (from the iputils-20001110-1 rpm). 
    
    [jon@devotchka jon]$ tracepath -n
    Segmentation fault (core dumped)
    [jon@devotchka jon]$ which tracepath
    /usr/sbin/tracepath
    [jon@devotchka jon]$ ls -la /usr/sbin/tracepath
    -rwxr-xr-x    1 root     root         7036 Jan 16  2001
    /usr/sbin/tracepath
    [jon@devotchka jon]$ gdb tracepath core
    <snip>
    #0  0x400b85e3 in strchr () from /lib/libc.so.6
    #1  0xbffff834 in ?? ()
    #2  0x40053306 in __libc_start_main (main=0x804903c <herror+2060>,
    argc=2, ubp_av=0xbffff834, 
        init=0x8048688, fini=0x804932c <herror+2812>, rtld_fini=0x4000d2dc
    <_dl_fini>, 
        stack_end=0xbffff82c) at ../sysdeps/generic/libc-start.c:129
    
    Tracepath isn't setuid root in any distro i could find, so i figured
    that there's no harm in releasing this. But according to the manpage:
    
    	"GENERAL NOTE: all these applets, except for tracepath[6] should 	be
    excecutabel only with  CAP_NET_RAWIO  capability.   To  all 	that I
    know, they are safe to be used as setuid root."
    
    If you have this installed (and I don't know of a distro that doesn't),
    make sure the setuid bit is turned off. I've submitted this to the
    author as well as redhat's bugzilla.
    
    -jon
    
    -- 
    jonat_private || www.divisionbyzero.com
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