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su core dumped with signal 3. BSD/OS 3.0, 3.1
From: Ivan Aleksandrov (mail
rayd.info)
Date: Tue Mar 11 2003 - 11:30:03 CST
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raydmtelecom:~$ id
uid=127(rayd) gid=0(wheel) groups=0(wheel)
raydmtelecom:~$ su <------------- (I send "control symbol")
Password:Quit (core dumped)
raydmtelecom:~$
raydmtelecom:~$ uname -srm
BSD/OS 3.1 i386
raydmtelecom:~$ ls -la `whereis su`
-r-sr-xr-x 1 root bin 2868 Jan 21 1997 /usr/bin/su*
raydmtelecom:~$ ls -la su.core
-rw------- 1 root wheel 184320 Mar 11 22:17 su.core
rootmtelecom:/usr/home/rayd# gdb --core=su.core
GDB 4.16 (i386-unknown-bsdi3.0), Copyright 1996 Free Software Foundation,
Inc.
Core was generated by `su'.
Program terminated with signal 3, Quit.
#0 0xa004cbde in ?? ()
It is a serious bug?
Possible to write exploit? or with signal 3 it's impossible?
WTF?
--
RAYD <mailrayd.info>
RAYD-RIPN, raydefnet
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