Re: OpenUNIX 8 & Unixware possible local root

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David Cushing said:
> I was able to reproduce this on a Solaris 8 sparc machine with
> different tolerances:
>
> [288] uname -a 
> SunOS hostname 5.8 Generic_108528-08 sun4u sparc SUNW,Ultra-60
> [289] /usr/dt/bin/dtterm -tn `perl -e 'print "A"x1083'`
> Segmentation Fault(coredump) 
> [297] /usr/dt/bin/dtterm -tn `perl -e 'print "A"x2083'`
> Bus Error(coredump)

Although the above is indeed the case:

# uname -a
SunOS hostname 5.8 Generic_108528-07 sun4u sparc SUNW,Sun-Fire
# ls -l /usr/dt/bin/dtterm
-r-xr-xr-x   1 bin      bin        47312 Dec  2  1999 /usr/dt/bin/dtterm
# egrep dtterm SUNWdtbas/pkgmap
1 f none dt/bin/dtterm 0555 bin bin 47312 21292 944116615
1 f none dt/config/dtterm.tc 0444 bin bin 696 54239 944111243
1 f none dt/config/dtterm.ti 0444 bin bin 1382 37571 944111243

This means that provided you have a default install, root compromise is not 
possible on Solaris 8.

Regards,

Rob
-- 
Sun Microsystems CPRE-EMEA        Weave a circle round him thrice,
mailto: Rob.Bartlett@Sun.COM        And close your eyes with holy dread,
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